Win32_OperatingSystem

The Win32_OperatingSystem WMI class represents an operating system installed on a Windows computer system. Any operating system that can be installed on a Windows system is a descendent or member of this class. If a computer has multiple operating systems installed, this class returns only an instance for the currently active operating system.

The following syntax is simplified from Managed Object Format (MOF) code and includes all inherited properties.

class Win32_OperatingSystem : CIM_OperatingSystem
{
  string BootDevice;
  string BuildNumber;
  string BuildType;
  string Caption;
  string CodeSet;
  string CountryCode;
  string CreationClassName;
  string CSCreationClassName;
  string CSDVersion;
  string CSName;
  sint16 CurrentTimeZone;
  boolean DataExecutionPrevention_32BitApplications;
  boolean DataExecutionPrevention_Available;
  boolean DataExecutionPrevention_Drivers;
  boolean Debug;
  string Description;
  boolean Distributed;
  uint32 EncryptionLevel;
  uint8 ForegroundApplicationBoost;
  uint64 FreePhysicalMemory;
  uint64 FreeSpaceInPagingFiles;
  uint64 FreeVirtualMemory;
  datetime InstallDate;
  uint32 LargeSystemCache;
  datetime LastBootUpTime;
  datetime LocalDateTime;
  string Locale;
  string Manufacturer;
  uint32 MaxNumberOfProcesses;
  uint64 MaxProcessMemorySize;
  string Name;
  uint32 NumberOfLicensedUsers;
  uint32 NumberOfProcesses;
  uint32 NumberOfUsers;
  string Organization;
  uint32 OSLanguage;
  uint32 OSProductSuite;
  uint16 OSType;
  string OtherTypeDescription;
  Boolean PAEEnabled;
  string PlusProductID;
  string PlusVersionNumber;
  boolean Primary;
  uint32 ProductType;
  uint8 QuantumLength;
  uint8 QuantumType;
  string RegisteredUser;
  string SerialNumber;
  uint16 ServicePackMajorVersion;
  uint16 ServicePackMinorVersion;
  uint64 SizeStoredInPagingFiles;
  string Status;
  uint32 SuiteMask;
  string SystemDevice;
  string SystemDirectory;
  string SystemDrive;
  uint64 TotalSwapSpaceSize;
  uint64 TotalVirtualMemorySize;
  uint64 TotalVisibleMemorySize;
  string Version;
  string WindowsDirectory;
};

Methods

The Win32_OperatingSystem class defines the following methods.

Properties

The Win32_OperatingSystem class has the following properties.

BootDevice

Data type: string
Access type: Read-only

Name of the disk drive from which the Windows operating system boots.

Example: "\DeviceHarddisk0"

BuildNumber

Data type: string
Access type: Read-only

Build number of an operating system. It can be used for more precise version information than product release version numbers.

Example: "1381"

BuildType

Data type: string
Access type: Read-only

Type of build used for an operating system.

Examples: ""retail build"", ""checked build""

Caption

Data type: string
Access type: Read-only

Short description of the object—a one-line string. The string includes the operating system version. For example, "Microsoft Windows XP Professional Version = 5.1.2500". This property can be localized.

CodeSet

Data type: string
Access type: Read-only
Qualifiers: MaxLen( 6)

Code page value an operating system uses. A code page contains a character table that an operating system uses to translate strings for different languages. The American National Standards Institute (ANSI) lists values that represent defined code pages. If an operating system does not use an ANSI code page, this member is set to 0 (zero). The CodeSet string can use up to six characters to define the code page value.

Example: "1255"

CountryCode

Data type: string
Access type: Read-only

Code for the country/region that an operating system uses. Values are based on international phone dialing prefixes—also referred to as IBM country/region codes. The property can use up to six characters to define the country/region code value.

Example: "1" (United States)

CreationClassName

Data type: string
Access type: Read-only
Qualifiers: Key, MaxLen( 256)

Name of the first concrete class that appears in the inheritance chain used in the creation of an instance. When used with other key properties of the class, the property allows all instances of this class and its subclasses to be identified uniquely.

CSCreationClassName

Data type: string
Access type: Read-only

Creation class name of the scoping computer system.

CSDVersion

Data type: string
Access type: Read-only

Null-terminated string that indicates the latest service pack installed on a computer system. If no service pack is installed, the string is NULL. For computers running Windows 95, this property contains a null-terminated string that provides arbitrary additional information about the operating system.

Example: "Service Pack 3"

CSName

Data type: string
Access type: Read-only

Name of the scoping computer system.

CurrentTimeZone

Data type: sint16
Access type: Read-only

Number of minutes an operating system is offset from Greenwich mean time (GMT). The number is positive, negative, or zero.

DataExecutionPrevention_32BitApplications

Data type: boolean
Access type: Read-only

When the data execution prevention hardware feature is available, this property indicates that the feature is set to work for 32-bit applications if True. On 64-bit computers, the data execution prevention feature is configured in the Boot.ini file and the properties in Win32_OperatingSystem are set accordingly. This property is set to False on 32-bit computers.

Windows Server 2003, Windows XP/2000, Windows NT 4.0, and Windows Me/98/95:  This property is not available.

DataExecutionPrevention_Available

Data type: boolean
Access type: Read-only

Data execution prevention is an AMD 64-bit hardware feature to prevent buffer overrun attacks by stopping the execution of code on data type memory pages. If True, then this feature is available. On 64-bit computers, the data execution prevention feature is configured in the Boot.ini file and the properties in Win32_OperatingSystem are set accordingly. This property is set to False on 32-bit computers.

Windows Server 2003, Windows XP/2000, Windows NT 4.0, and Windows Me/98/95:  This property is not available.

DataExecutionPrevention_Drivers

Data type: boolean
Access type: Read-only

When the data execution prevention hardware feature is available, this property indicates that the feature is set to work for drivers if True. On 64-bit computers, the data execution prevention feature is configured in the Boot.ini file and the properties in Win32_OperatingSystem are set accordingly. This property is set to False on 32-bit computers.

Windows Server 2003, Windows XP/2000, Windows NT 4.0, and Windows Me/98/95:  This property is not available.

Debug

Data type: boolean
Access type: Read-only

Operating system is a checked (debug) build. If True, the debugging version of User.exe is installed. Checked builds provide error checking, argument verification, and system debugging code. Additional code in a checked binary generates a kernel debugger error message and breaks into the debugger. This helps immediately determine the cause and location of the error. Performance suffers in a checked build due to the additional code that is executed.

Description

Data type: string
Access type: Read/write

Description of the Windows operating system. Some user interfaces (those that allow editing of this description) limit its length to 48 characters.

Distributed

Data type: boolean
Access type: Read-only

If True, the operating system is distributed across several computer system nodes. If so, these nodes should be grouped as a cluster.

EncryptionLevel

Data type: uint32
Access type: Read-only

Windows Server 2003 and Windows XP:  Encryption level for secure transactions—40-bit, 128-bit, or n-bit.

ForegroundApplicationBoost

Data type: uint8
Access type: Read/write

Increase in priority is given to the foreground application. Application boost is implemented by giving an application more execution time slices (quantum lengths).

Windows Me/98/95:  Application boost is not available.

A ForegroundApplicationBoost value of 0 (zero) indicates the system boosts the quantum length by 6; if 1, then 12; and if 2 then 18. The default value is 2.

Windows NT 3.51 and earlier:  Application boost is implemented by increasing the scheduling priority. The scheduling priority is increased by the value of this property.

Value	Meaning
0	None
1	Minimum
2	(Default) Maximum

FreePhysicalMemory

Data type: uint64
Access type: Read-only

Number of kilobytes of physical memory currently unused and available.

For information on using uint64 values in scripts, see Scripting in WMI.

FreeSpaceInPagingFiles

Data type: uint64
Access type: Read-only

Number of kilobytes that can be mapped into the operating system paging files without causing any other pages to be swapped out.

For information on using uint64 values in scripts, see Scripting in WMI.

FreeVirtualMemory

Data type: uint64
Access type: Read-only

Number of kilobytes of virtual memory currently unused and available. For example, this may be calculated by adding the amount of free RAM to the amount of free paging space, that is, adding the FreePhysicalMemory and FreeSpaceInPagingFiles properties.

For information on using uint64 values in scripts, see Scripting in WMI.

InstallDate

Data type: datetime
Access type: Read-only

Date object was installed. This property does not require a value to indicate that the object is installed.

LargeSystemCache

Data type: uint32
Access type: Read-only

Indicates whether to optimize memory for applications or system performance.

Windows 2000 and Windows NT 4.0 SP4 and later:  This property is not available.

Value	Meaning
0	Optimize memory for applications.
1	Optimize memory for system performance.

LastBootUpTime

Data type: datetime
Access type: Read-only

Operating system was last booted.

LocalDateTime

Data type: datetime
Access type: Read-only

Operating system's version of the local date and time of day.

Locale

Data type: string
Access type: Read-only

Language identifier used by the operating system. A language identifier is a standard international numeric abbreviation for a country/region. Each language has a unique language identifier (LANGID), a 16-bit value that consists of a primary language identifier and a secondary language identifier.

Manufacturer

Data type: string
Access type: Read-only

Name of the operating system manufacturer. For Windows systems, this value is "Microsoft Corporation".

MaxNumberOfProcesses

Data type: uint32
Access type: Read-only

Maximum number of process contexts the operating system can support. The default value set by the provider is 4294967295 (0xFFFFFFFF). If there is no fixed maximum, the value should be 0 (zero). On systems that have a fixed maximum, this object can help diagnose failures that occur when the maximum is reached—if unknown, enter 4294967295 (0xFFFFFFFF).

MaxProcessMemorySize

Data type: uint64
Access type: Read-only

Maximum number of kilobytes of memory that can be allocated to a process. For operating systems with no virtual memory, typically this value is equal to the total amount of physical memory minus the memory used by the BIOS and OS. For some operating systems, this value may be infinity, in which case 0 (zero) should be entered. In other cases, this value could be a constant, for example, 2G or 4G.

For information on using uint64 values in scripts, see Scripting in WMI.

Name

Data type: string
Access type: Read-only

Operating system instance within a computer system.

NumberOfLicensedUsers

Data type: uint32
Access type: Read-only

Number of user licenses for the operating system. If unlimited, enter 0 (zero). If unknown, enter -1.

NumberOfProcesses

Data type: uint32
Access type: Read-only

Number of process contexts currently loaded or running on the operating system.

NumberOfUsers

Data type: uint32
Access type: Read-only

Number of user sessions for which the operating system is storing state information currently.

Organization

Data type: string
Access type: Read-only

Company name for the registered user of the operating system.

Example: "Microsoft Corporation"

OSLanguage

Data type: uint32
Access type: Read-only

Language version of the operating system installed. The following table identifies the possible values.

Value	Meaning
1 0x1	Arabic
4 0x4	Chinese
9 0x9	English
1025 0x401	Arabic – Saudi Arabia
1026 0x402	Bulgarian
1027 0x403	Catalan
1028 0x404	Chinese – Taiwan
1029 0x405	Czech
1030 0x406	Danish
1031 0x407	German – Germany
1032 0x408	Greek
1033 0x409	English – United States
1034 0x40A	Spanish – Traditional Sort
1035 0x40B	Finnish
1036 0x40C	French – France
1037 0x40D	Hebrew
1038 0x40E	Hungarian
1039 0x40F	Icelandic
1040 0x410	Italian – Italy
1041 0x411	Japanese
1042 0x412	Korean
1043 0x413	Dutch – Netherlands
1044 0x414	Norwegian – Bokmal
1045 0x415	Polish
1046 0x416	Portuguese – Brazil
1047 0x417	Rhaeto-Romanic
1048 0x418	Romanian
1049 0x419	Russian
1050 0x41A	Croatian
1051 0x41B	Slovak
1052 0x41C	Albanian
1053 0x41D	Swedish
1054 0x41E	Thai
1055 0x41F	Turkish
1056 0x420	Urdu
1057 0x421	Indonesian
1058 0x422	Ukrainian
1059 0x423	Belarusian
1060 0x424	Slovenian
1061 0x425	Estonian
1062 0x426	Latvian
1063 0x427	Lithuanian
1065 0x429	Persion
1066 0x42A	Vietnamese
1069 0x42D	Basque
1070 0x42E	Serbian
1071 0x42F	Macedonian (FYROM)
1072 0x430	Sutu
1073 0x431	Tsonga
1074 0x432	Tswana
1076 0x434	Xhosa
1077 0x435	Zulu
1078 0x436	Afrikaans
1080 0x438	Faeroese
1081 0x439	Hindi
1082 0x43A	Maltese
1084 0x43C	Gaelic
1085 0x43D	Yiddish
1086 0x43E	Malay – Malaysia
2049 0x801	Arabic – Iraq
2052 0x804	Chinese – PRC
2055 0x807	German – Switzerland
2057 0x809	English – United Kingdom
2058 0x80A	Spanish – Mexico
2060 0x80C	French – Belgium
2064 0x810	Italian – Switzerland
2067 0x813	Dutch – Belgium
2068 0x814	Norwegian – Nynorsk
2070 0x816	Portuguese – Portugal
2072 0x818	Romanian – Moldova
2073 0x819	Russian – Moldova
2074 0x81A	Serbian – Latin
2077 0x81D	Swedish – Finland
3073 0xC01	Arabic – Egypt
3076 0xC04	Chinese – Hong Kong SAR
3079 0xC07	German – Austria
3081 0xC09	English – Australia
3082 0xC0A	Spanish – International Sort
3084 0xC0C	French – Canada
3098 0xC1A	Serbian – Cyrillic
4097 0x1001	Arabic – Libya
4100 0x1004	Chinese – Singapore
4103 0x1007	German – Luxembourg
4105 0x1009	English – Canada
4106 0x100A	Spanish – Guatemala
4108 0x100C	French – Switzerland
5121 0x1401	Arabic – Algeria
5127 0x1407	German – Liechtenstein
5129 0x1409	English – New Zealand
5130 0x140A	Spanish – Costa Rica
5132 0x140C	French – Luxembourg
6145 0x1801	Arabic – Morocco
6153 0x1809	English – Ireland
6154 0x180A	Spanish – Panama
7169 0x1C01	Arabic – Tunisia
7177 0x1C09	English – South Africa
7178 0x1C0A	Spanish – Dominican Republic
8193 0x2001	Arabic – Oman
8201 0x2009	English – Jamaica
8202 0x200A	Spanish – Venezuela
9217 0x2401	Arabic – Yemen
9226 0x240A	Spanish – Colombia
10241 0x2801	Arabic – Syria
10249 0x2809	English – Belize
10250 0x280A	Spanish – Peru
11265 0x2C01	Arabic – Jordan
11273 0x2C09	English – Trinidad
11274 0x2C0A	Spanish – Argentina
12289 0x3001	Arabic – Lebanon
12298 0x300A	Spanish – Ecuador
13313 0x3401	Arabic – Kuwait
13322 0x340A	Spanish – Chile
14337 0x3801	Arabic – U.A.E.
14346 0x380A	Spanish – Uruguay
15361 0x3C01	Arabic – Bahrain
15370 0x3C0A	Spanish – Paraguay
16385 0x4001	Arabic – Qatar
16394 0x400A	Spanish – Bolivia
17418 0x440A	Spanish – El Salvador
18442 0x480A	Spanish – Honduras
19466 0x4C0A	Spanish – Nicaragua
20490 0x500A	Spanish – Puerto Rico

OSProductSuite

Data type: uint32
Access type: Read-only

Installed and licensed system product additions to the operating system. For example, the value of 146 (0x92) for OSProductSuite indicates Enterprise, Terminal Server, and Data Center (bits one, four, and seven set). The following table identifies the possible values.

Value	Meaning
1 0x1	Small Business
2 0x2	Enterprise
4 0x4	BackOffice
8 0x8	Communication Server
16 0x10	Terminal Server
32 0x20	Small Business (Restricted)
64 0x40	Embedded NT
128 0x80	Data Center

OSType

Data type: uint16
Access type: Read-only

Type of operating system. The following list identifies the possible values for this property.

Values	Meaning
0 0x0	Unknown
1 0x1	Other
2 0x2	MACROS
3 0x3	ATTUNIX
4 0x4	DGUX
5 0x5	DECNT
6 0x6	Digital Unix
7 0x7	OpenVMS
8 0x8	HPUX
9 0x9	AIX
10 0xA	MVS
11 0xB	OS400
12 0xC	OS/2
13 0xD	JavaVM
14 0xE	MSDOS
15 0xF	WIN3x
16 0x10	WIN95
17 0x11	WIN98
18 0x12	WINNT
19 0x13	WINCE
20 0x14	NCR3000
21 0x15	NetWare
22 0x16	OSF
23 0x17	DC/OS
24 0x18	Reliant UNIX
25 0x19	SCO UnixWare
26 0x1A	SCO OpenServer
27 0x1B	Sequent
28 0x1C	IRIX
29 0x1D	Solaris
30 0x1E	SunOS
31 0x1F	U6000
32 0x20	ASERIES
33 0x21	TandemNSK
34 0x22	TandemNT
35 0x23	BS2000
36 0x24	LINUX
37 0x25	Lynx
38 0x26	XENIX
39 0x27	VM/ESA
40 0x28	Interactive UNIX
41 0x29	BSDUNIX
42 0x2A	FreeBSD
43 0x2B	NetBSD
44 0x2C	GNU Hurd
45 0x2D	OS9
46 0x2E	MACH Kernel
47 0x2F	Inferno
48 0x30	QNX
49 0x31	EPOC
50 0x32	IxWorks
51 0x33	VxWorks
52 0x34	MiNT
53 0x35	BeOS
54 0x36	HP MPE
55 0x37	NextStep
56 0x38	PalmPilot
57 0x39	Rhapsody

OtherTypeDescription

Data type: string
Access type: Read-only

Additional description for the current operating system version.

Windows Server 2003 "R2":  Contains the string "R2".

Windows Server 2003, Windows XP, Windows 2000, Windows NT 4.0, and Windows Me/98/95:  OtherTypeDescription is null.

PAEEnabled

Data type: Boolean
Access type: Read-only

If True, the Physical Address Extension (PAE) is enabled by the operating system running on Intel processors. PAE allows applications to address more than 4 GB of physical memory. When PAE is enabled, the operating system uses three-level linear address translation rather than two-level. Providing more physical memory to an application reduces the need to swap memory to the page file and increases performance. To enable, PAE, use the /PAE switch in the Boot.ini file.

Windows XP/2000 and Windows NT 4.0 SP4 and later:  The PAEEnabled property is not available.

PlusProductID

Data type: string
Access type: Read-only

Identification number for the Windows Plus! operating system enhancement software—if installed.

PlusVersionNumber

Data type: string
Access type: Read-only

Version number of the Windows Plus! operating system enhancement software—if installed.

Primary

Data type: boolean
Access type: Read-only

Specifies whether this is the primary operating system.

ProductType

Data type: uint32
Access type: Read-only

Additional information about the system.

Value	Meaning
1	Work Station
2	Domain Controller
3	Server

Windows 2000 and Windows NT 4.0 SP4 and later:   This property is not available.

QuantumLength

Data type: uint8
Access type: Read/write

Number of clock ticks per quantum. A quantum is a unit of execution time that the scheduler is allowed to give to an application before switching to other applications. When a thread runs one quantum, the kernel preempts it and moves it to the end of a queue for applications with equal priorities. The actual length of a thread's quantum varies across different Windows platforms—Windows NT and Windows 2000 only.

Value	Meaning
1	Unknown
2	One tick
3	Two ticks

QuantumType

Data type: uint8
Access type: Read/write

Length type of quantums. Windows NT Workstation and Windows 2000 defaults to variable-length quantums where the foreground application has a longer quantum than the background applications. Windows NT Server defaults to fixed-length quantums. A quantum is a unit of execution time that the scheduler is allowed to give to an application before switching to another application. When a thread runs one quantum, the kernel preempts it and moves it to the end of a queue for applications with equal priorities. The actual length of a thread's quantum varies across different Windows platforms. For Windows NT and Windows 2000 only.

Value	Meaning
1	Unknown
2	Fixed
3	Variable

RegisteredUser

Data type: string
Access type: Read-only

Name of the registered user of the operating system.

Example: "Ben Smith"

SerialNumber

Data type: string
Access type: Read-only

Operating system product serial identification number.

Example: "10497-OEM-0031416-71674"

ServicePackMajorVersion

Data type: uint16
Access type: Read-only

Major version number of the service pack installed on the computer system. If no service pack has been installed, the value is 0 (zero).

Windows NT 4.0 and Windows Me/98/95:  This property is present but the value is NULL.

ServicePackMinorVersion

Data type: uint16
Access type: Read-only

Minor version number of the service pack installed on the computer system. If no service pack has been installed, the value is 0 (zero).

Windows NT 4.0 and Windows Me/98/95:  This property is present but the value is NULL.

SizeStoredInPagingFiles

Data type: uint64
Access type: Read-only

Total number of kilobytes that can be stored in the operating system's paging files—0 (zero) indicates that there are no paging files. Note that this number does not represent the actual physical size of the paging file on disk.

For information on using uint64 values in scripts, see Scripting in WMI.

Status

Data type: string
Access type: Read-only

Current status of the object. Various operational and non-operational statuses can be defined. Operational statuses include: "OK", "Degraded", and "Pred Fail" (an element, such as a SMART-enabled hard drive may function properly, but predicts a failure in the near future). Non-operational statuses include: "Error", "Starting", "Stopping", and "Service". The Service status applies to administrative work, such as mirror-resilvering of a disk, reload of a user permissions list, or other administrative work. Not all such work is online, but the managed element is neither "OK" nor in one of the other states.

Values are:

"OK"
"Error"
"Degraded"
"Unknown"
"Pred Fail"
"Starting"
"Stopping"
"Service"

SuiteMask

Data type: uint32
Access type: Read-only

Bit flags that identify the product suites available on the system.

Windows 2000 and Windows NT 4.0 SP4 and later:   This property is not available.

For example, to specify both Personal and Back Office, set SuiteMask to 4 | 512 or 516.

The following table identifies the possible values.

Value	Meaning
1	Small Business
2	Enterprise
4	Back Office
8	Communications
16	Terminal
32	Small Business Restricted
64	Embedded NT
128	Data Center
256	Single User
512	Personal
1024	Blade

SystemDevice

Data type: string
Access type: Read-only

Physical disk partition on which the operating system is installed.

SystemDirectory

Data type: string
Access type: Read-only

System directory of the operating system.

Example: "C:WINDOWSSYSTEM32"

SystemDrive

Data type: string
Access type: Read-only

Letter of the disk drive on which the operating system resides.
Example: "C:"

Windows 2000 and Windows NT 4.0 SP4 and later:   This property is not available.

TotalSwapSpaceSize

Data type: uint64
Access type: Read-only

Total swap space in kilobytes. This value may be NULL (unspecified) if swap space is not distinguished from page files. However, some operating systems distinguish these concepts. For example, in UNIX, whole processes can be swapped out when the free page list falls and remains below a specified amount.

For information on using uint64 values in scripts, see Scripting in WMI.

TotalVirtualMemorySize

Data type: uint64
Access type: Read-only

Number of kilobytes of virtual memory. For example, this may be calculated by adding the amount of total RAM to the amount of paging space, that is, adding the amount of memory in or aggregated by the computer system to the property, SizeStoredInPagingFiles.

For information on using uint64 values in scripts, see Scripting in WMI.

TotalVisibleMemorySize

Data type: uint64
Access type: Read-only

Total amount of physical memory available to the operating system. This value does not necessarily indicate the true amount of physical memory, but what is reported to the operating system as available to it.

For information on using uint64 values in scripts, see Scripting in WMI.

Version

Data type: string
Access type: Read-only

Version number of the operating system.

Example: "4.0"

WindowsDirectory

Data type: string
Access type: Read-only

Windows directory of the operating system.

Example: "C:WINDOWS"

Remarks

The Win32_OperatingSystem class is derived from CIM_OperatingSystem.

Example Code [MOF]

For script examples, see WMI Tasks for Scripts and Applications and the TechNet ScriptCenter Script Repository.

For C++ example code, see WMI C++ Application Examples.

Example Code [Script]

The following script obtains the instances of Win32_OperatingSystem in the default rootcimv2 namespace, and then displays information about the operating system.

This script runs on Windows 2000 and Windows XP.

On Error Resume Next 
' Connect to WMI and obtain instances of Win32_OperatingSystem
For Each objOS in GetObject( _
    "winmgmts:").InstancesOf ("Win32_OperatingSystem")

WScript.Echo "Name = " & objOS.Caption _
    & "Version = " & objOS.Version &VBCR _
    & "Registered User = " & objOS.RegisteredUser &VBCR _
    & "Manufacturer = " & objOS.Manufacturer      
Next

if Err <> 0 Then
    WScript.Echo Err.Description
    Err.Clear
End if

Requirements

**********************************************************************************************************

****************************************************************************************************************************************************

Win32_Processor

*********************************************************************************************************************************************************************************************************

**********************************************************************************************************************************************************************************************************

Win32_logicalDisk

The Win32_LogicalDisk WMI class represents a data source that resolves to an actual local storage device on a computer system running Windows.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties. Properties are listed in alphabetic order, not MOF order.

Syntax

class Win32_LogicalDisk : CIM_LogicalDisk
{
  uint16   Access;
  uint16   Availability;
  uint64   BlockSize;
  string   Caption;
  boolean  Compressed;
  uint32   ConfigManagerErrorCode;
  boolean  ConfigManagerUserConfig;
  string   CreationClassName;
  string   Description;
  string   DeviceID;
  uint32   DriveType;
  boolean  ErrorCleared;
  string   ErrorDescription;
  string   ErrorMethodology;
  string   FileSystem;
  uint64   FreeSpace;
  datetime InstallDate;
  uint32   LastErrorCode;
  uint32   MaximumComponentLength;
  uint32   MediaType;
  string   Name;
  uint64   NumberOfBlocks;
  string   PNPDeviceID;
  uint16   PowerManagementCapabilities[];
  boolean  PowerManagementSupported;
  string   ProviderName;
  string   Purpose;
  boolean  QuotasDisabled;
  boolean  QuotasIncomplete;
  boolean  QuotasRebuilding;
  uint64   Size;
  string   Status;
  uint16   StatusInfo;
  boolean  SupportsDiskQuotas;
  boolean  SupportsFileBasedCompression;
  string   SystemCreationClassName;
  string   SystemName;
  boolean  VolumeDirty;
  string   VolumeName;
  string   VolumeSerialNumber;
};

Members

The Win32_LogicalDisk class has these types of members:

• Methods
• Properties

Methods

The Win32_LogicalDisk class has these methods.

Properties

The Win32_LogicalDisk class has these properties.

Access

Data type: uint16 Access type: Read-only

Type of media access available. This property is inherited from CIM_StorageExtent.

Value	Meaning
0	Unknown
1	Readable
2	Writable
3	Read/Write Supported
4	Write Once

 

Availability

Data type: uint16 Access type: Read-only

Availability and status of the device. Inherited from CIM_LogicalDevice.

Value	Meaning
1 (0x1)	Other
2 (0x2)	Unknown
3 (0x3)	Running or Full Power
4 (0x4)	Warning
5 (0x5)	In Test
6 (0x6)	Not Applicable
7 (0x7)	Power Off
8 (0x8)	Offline
9 (0x9)	Off Duty
10 (0xA)	Degraded
11 (0xB)	Not Installed
12 (0xC)	Install Error
13 (0xD)	Power Save - Unknown The device is known to be in a power save mode, but its exact status is unknown.
14 (0xE)	Power Save - Low Power Mode The device is in a power save state, but still functioning, and may exhibit degraded performance.
15 (0xF)	Power Save - Standby The device is not functioning, but could be brought to full power quickly.
16 (0x10)	Power Cycle
17 (0x11)	Power Save - Warning The device is in a warning state, but also in a power save mode.

 

BlockSize

Data type: uint64 Access type: Read-only

Size, in bytes, of the blocks that form this storage extent. If unknown or if a block concept is not valid (for example, for aggregate extents, memory or logical disks), enter 1. This property is inherited from CIM_StorageExtent.

For more information about using uint64 values in scripts, see Scripting in WMI.

Caption

Data type: string Access type: Read-only

Short description of the object—a one-line string. This property is inherited from CIM_ManagedSystemElement.

Compressed

Data type: boolean Access type: Read-only

If True, the logical volume exists as a single compressed entity, such as a DoubleSpace volume. If file based compression is supported, such as on NTFS, this property is False.

ConfigManagerErrorCode

Data type: uint32 Access type: Read-only

Windows Configuration Manager error code.

Value	Meaning
0 (0x0)	Device is working properly.
1 (0x1)	Device is not configured correctly.
2 (0x2)	Windows cannot load the driver for this device.
3 (0x3)	Driver for this device might be corrupted, or the system may be low on memory or other resources.
4 (0x4)	Device is not working properly. One of its drivers or the registry might be corrupted.
5 (0x5)	Driver for the device requires a resource that Windows cannot manage.
6 (0x6)	Boot configuration for the device conflicts with other devices.
7 (0x7)	Cannot filter.
8 (0x8)	Driver loader for the device is missing.
9 (0x9)	Device is not working properly. The controlling firmware is incorrectly reporting the resources for the device.
10 (0xA)	Device cannot start.
11 (0xB)	Device failed.
12 (0xC)	Device cannot find enough free resources to use.
13 (0xD)	Windows cannot verify the device resources.
14 (0xE)	Device cannot work properly until the computer is restarted.
15 (0xF)	Device is not working properly due to a possible re-enumeration problem.
16 (0x10)	Windows cannot identify all of the resources that the device uses.
17 (0x11)	Device is requesting an unknown resource type.
18 (0x12)	Device drivers must be reinstalled.
19 (0x13)	Failure using the VxD loader.
20 (0x14)	Registry might be corrupted.
21 (0x15)	System failure. If changing the device driver is ineffective, see the hardware documentation. Windows is removing the device.
22 (0x16)	Device is disabled.
23 (0x17)	System failure. If changing the device driver is ineffective, see the hardware documentation.
24 (0x18)	Device is not present, not working properly, or does not have all of its drivers installed.
25 (0x19)	Windows is still setting up the device.
26 (0x1A)	Windows is still setting up the device.
27 (0x1B)	Device does not have valid log configuration.
28 (0x1C)	Device drivers are not installed.
29 (0x1D)	Device is disabled. The device firmware did not provide the required resources.
30 (0x1E)	Device is using an IRQ resource that another device is using.
31 (0x1F)	Device is not working properly. Windows cannot load the required device drivers.

 

ConfigManagerUserConfig

Data type: boolean Access type: Read-only

If True, the device is using a user-defined configuration. This property is inherited from CIM_LogicalDevice.

CreationClassName

Data type: string Access type: Read-only

Name of the first concrete class to appear in the inheritance chain used in the creation of an instance. When used with the other key properties of the class, the property allows all instances of this class and its subclasses to be uniquely identified. This property is inherited from CIM_LogicalDevice.

Description

Data type: string Access type: Read-only

Description of the object. This property is inherited from CIM_ManagedSystemElement.

DeviceID

Data type: string Access type: Read-only Qualifiers: Key

Unique identifier of the logical disk from other devices on the system. This property is inherited from CIM_LogicalDevice.

DriveType

Data type: uint32 Access type: Read-only

Numeric value that corresponds to the type of disk drive this logical disk represents.

Value	Meaning
0	Unknown
1	No Root Directory
2	Removable Disk
3	Local Disk
4	Network Drive
5	Compact Disc
6	RAM Disk

 

ErrorCleared

Data type: boolean Access type: Read-only

If True, the error reported in LastErrorCode is now cleared. This property is inherited from CIM_LogicalDevice.

ErrorDescription

Data type: string Access type: Read-only

More information about the error recorded in LastErrorCode, and information on any corrective actions that may be taken. This property is inherited from CIM_LogicalDevice.

ErrorMethodology

Data type: string Access type: Read-only

Type of error detection and correction supported by this storage extent. This property is inherited from CIM_StorageExtent.

FileSystem

Data type: string Access type: Read-only

File system on the logical disk.

Example: "NTFS"

FreeSpace

Data type: uint64 Access type: Read-only

Space, in bytes, available on the logical disk. This property is inherited from CIM_LogicalDisk.

For more information about using uint64 values in scripts, see Scripting in WMI.

InstallDate

Data type: datetime Access type: Read-only

Date and time the object was installed. This property does not require a value to indicate that the object is installed. This property is inherited from CIM_ManagedSystemElement.

LastErrorCode

Data type: uint32 Access type: Read-only

Last error code reported by the logical device. This property is inherited from CIM_LogicalDevice.

MaximumComponentLength

Data type: uint32 Access type: Read-only

Maximum length of a filename component supported by the Windows drive. A filename component is that portion of a filename between backslashes. The value can be used to indicate that long names are supported by the specified file system. For example, for a FAT file system supporting long names, the function stores the value 255, rather than the previous 8.3 indicator. Long names can also be supported on systems that use the NTFS file system.

Example: 255

MediaType

Data type: uint32 Access type: Read-only

Type of media currently present in the logical drive. This value will be one of the values of the MEDIA_TYPE enumeration defined in Winioctl.h. The value may not be exact for removable drives if currently there is no media in the drive.

Value	Meaning
0 Unknown	Format is unknown
1 F5_1Pt2_512	5 1/4-Inch Floppy Disk - 1.2 MB - 512 bytes/sector
2 F3_1Pt44_512	3 1/2-Inch Floppy Disk - 1.44 MB -512 bytes/sector
3 F3_2Pt88_512	3 1/2-Inch Floppy Disk - 2.88 MB - 512 bytes/sector
4 F3_20Pt8_512	3 1/2-Inch Floppy Disk - 20.8 MB - 512 bytes/sector
5 F3_720_512	3 1/2-Inch Floppy Disk - 720 KB - 512 bytes/sector
6 F5_360_512	5 1/4-Inch Floppy Disk - 360 KB - 512 bytes/sector
7 F5_320_512	5 1/4-Inch Floppy Disk - 320 KB - 512 bytes/sector
8 F5_320_1024	5 1/4-Inch Floppy Disk - 320 KB - 1024 bytes/sector
9 F5_180_512	5 1/4-Inch Floppy Disk - 180 KB - 512 bytes/sector
10 F5_160_512	5 1/4-Inch Floppy Disk - 160 KB - 512 bytes/sector
11	Removable media other than floppy
12	Fixed hard disk media
13 F3_120M_512	3 1/2-Inch Floppy Disk - 120 MB - 512 bytes/sector
14 F3_640_512	3 1/2-Inch Floppy Disk - 640 KB - 512 bytes/sector
15 F5_640_512	5 1/4-Inch Floppy Disk - 640 KB - 512 bytes/sector
16 F5_720_512	5 1/4-Inch Floppy Disk - 720 KB - 512 bytes/sector
17 F3_1Pt2_512	3 1/2-Inch Floppy Disk - 1.2 MB - 512 bytes/sector
18 F3_1Pt23_1024	3 1/2-Inch Floppy Disk - 1.23 MB - 1024 bytes/sector
19 F5_1Pt23_1024	5 1/4-Inch Floppy Disk - 1.23 MB - 1024 bytes/sector
20 F3_128Mb_512	3 1/2-Inch Floppy Disk - 128 MB - 512 bytes/sector
21 F3_230Mb_512	3 1/2-Inch Floppy Disk - 230 MB - 512 bytes/sector
22 F8_256_128	8-Inch Floppy Disk - 256 KB - 128 bytes/sector

 

Name

Data type: string Access type: Read-only

Label by which the object is known. When subclassed, this property can be overridden to be a key property. This property is inherited from CIM_ManagedSystemElement.

NumberOfBlocks

Data type: uint64 Access type: Read-only

Total number of consecutive blocks, each block the size of the value contained in the BlockSize property, which form this storage extent. Total size of the storage extent can be calculated by multiplying the value of the BlockSize property by the value of this property. If the value of BlockSize is 1, this property is the total size of the storage extent. This property is inherited from CIM_StorageExtent.

For more information about using uint64 values in scripts, see Scripting in WMI.

PNPDeviceID

Data type: string Access type: Read-only

Windows Plug and Play device identifier of the logical device. This property is inherited from CIM_LogicalDevice.

Example: "*PNP030b"

PowerManagementCapabilities

Data type: uint16 array Access type: Read-only

Array of the specific power-related capabilities of a logical device. This property is inherited from CIM_LogicalDevice.

Value	Meaning
0 (0x0)	Unknown
1 (0x1)	Not Supported
2 (0x2)	Disabled
3 (0x3)	Enabled The power management features are currently enabled but the exact feature set is unknown or the information is unavailable.
4 (0x4)	Power Saving Modes Entered Automatically The device can change its power state based on usage or other criteria.
5 (0x5)	Power State Settable The SetPowerState method is supported. This method is found on the parent CIM_LogicalDevice class and can be implemented. For more information, see Designing Managed Object Format (MOF) Classes.
6 (0x6)	Power Cycling Supported The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle).
7 (0x7)	Timed Power-On Supported The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle) and Time set to a specific date and time, or interval, for power-on.

 

PowerManagementSupported

Data type: boolean Access type: Read-only

If True, the device can be power-managed (can be put into suspend mode, and so on). This property does not indicate that power management features are currently enabled, only that the logical device is capable of power management. This property is inherited from CIM_LogicalDevice.

ProviderName

Data type: string Access type: Read-only

Network path to the logical device.

Purpose

Data type: string Access type: Read-only

Free-form string describing the media and its use. This property is inherited from CIM_StorageExtent.

QuotasDisabled

Data type: boolean Access type: Read/write

Indicates that quota management is not enabled (TRUE) on this system.

Windows 2000, Windows NT 4.0, and Windows Me/98/95:  This property is not available.

QuotasIncomplete

Data type: boolean Access type: Read-only

Indicates that the quota management was used but has been disabled (True). Incomplete refers to the information left in the file system after quota management was disabled.

Windows 2000, Windows NT 4.0, and Windows Me/98/95:  This property is not available.

QuotasRebuilding

Data type: boolean Access type: Read-only

If True, indicates that the file system is in the active process of compiling information and setting the disk up for quota management.

Windows 2000, Windows NT 4.0, and Windows Me/98/95:  This property is not available.

Size

Data type: uint64 Access type: Read-only

Size of the disk drive. This property is inherited from CIM_LogicalDisk.

For more information about using uint64 values in scripts, see Scripting in WMI.

Status

Data type: string Access type: Read-only

Current status of the object. Various operational and nonoperational statuses can be defined. Operational statuses include: "OK", "Degraded", and "Pred Fail" (an element, such as a SMART-enabled hard disk drive, may be functioning properly but predicting a failure in the near future). Nonoperational statuses include: "Error", "Starting", "Stopping", and "Service". The latter, "Service", could apply during mirror-resilvering of a disk, reload of a user permissions list, or other administrative work. Not all such work is online, yet the managed element is neither "OK" nor in one of the other states. This property is inherited from CIM_ManagedSystemElement.

The values are:

"OK" "Error" "Degraded" "Unknown" "Pred Fail" "Starting" "Stopping" "Service" "Stressed" "NonRecover" "No Contact" "Lost Comm"

StatusInfo

Data type: uint16 Access type: Read-only

State of the logical device. If this property does not apply to the logical device, the value 5 (Not Applicable) should be used. This property is inherited from CIM_LogicalDevice.

Value	Meaning
1	Other
2	Unknown
3	Enabled
4	Disabled
5	Not Applicable

 

SupportsDiskQuotas

Data type: boolean Access type: Read-only

If True, this volume supports disk quotas.

Windows 2000, Windows NT 4.0, and Windows Me/98/95:  This property is not available.

SupportsFileBasedCompression

Data type: boolean Access type: Read-only

If True, the logical disk partition supports file-based compression, such as is the case with the NTFS file system. This property is False when the Compressed property is True.

SystemCreationClassName

Data type: string Access type: Read-only

Value of the scoping computer CreationClassName property. This property is inherited from CIM_LogicalDevice.

SystemName

Data type: string Access type: Read-only

Name of the scoping system. This property is inherited from CIM_LogicalDevice.

VolumeDirty

Data type: boolean Access type: Read-only

If True, the disk requires ChkDsk to be run at the next restart. This property is only applicable to those instances of logical disk that represent a physical disk in the machine. It is not applicable to mapped logical drives.

Windows 2000, Windows NT 4.0, and Windows Me/98/95:  This property is not available.

VolumeName

Data type: string Access type: Read/write

Volume name of the logical disk.

Constraints: Maximum 32 characters.

VolumeSerialNumber

Data type: string Access type: Read-only

Volume serial number of the logical disk.

Constraints: Maximum 11 characters.

Example: "A8C3-D032"

最后

以上就是爱笑裙子为你收集整理的Win32_Processor; Win32_logicDisk;Win32_OPeratingSystemWin32_OperatingSystem的全部内容，希望文章能够帮你解决Win32_Processor; Win32_logicDisk;Win32_OPeratingSystemWin32_OperatingSystem所遇到的程序开发问题。

如果觉得靠谱客网站的内容还不错，欢迎将靠谱客网站推荐给程序员好友。