linux查看文件是哪个进程使用过,linux如何查找出某一个进程在调用哪些文件?

1. 取得进程号

cba001:/proc/26751/fd # ps -ef|grep named

root 17066 26915 0 13:06 pts/8 00:00:00 grep named

root 26751 1 0 Jul06 ? 00:02:06 /opt/***/***/usr/bin/named

[注]: 执行ps -ef|grep named取得named的进程号为26751

2.查看打开的文件

cba001:/proc/26751/fd # ls -al /proc/26751/fd/

total 20

dr-x------ 2 root vboxusers 0 Jul 21 12:48 .

dr-xr-xr-x 5 root vboxusers 0 Jul 6 10:25 ..

lrwx------ 1 root vboxusers 64 Jul 21 12:48 0 -> /dev/null

lrwx------ 1 root vboxusers 64 Jul 21 12:48 1 -> /dev/null

lr-x------ 1 root vboxusers 64 Jul 21 12:48 10 -> /dev/random

lrwx------ 1 root vboxusers 64 Jul 21 12:48 2 -> /dev/null

lrwx------ 1 root vboxusers 64 Jul 21 12:48 20 -> socket:/[64750499]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 21 -> socket:/[64750501]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 22 -> socket:/[64750503]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 23 -> socket:/[64750506]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 24 -> socket:/[64750507]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 3 -> socket:/[64750437]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 4 -> /dev/null

lr-x------ 1 root vboxusers 64 Jul 21 12:48 5 -> pipe:/[64750439]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 512 -> socket:/[64750498]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 513 -> socket:/[64750500]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 514 -> socket:/[64750502]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 515 -> socket:/[64750504]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 516 -> socket:/[64750505]

l-wx------ 1 root vboxusers 64 Jul 21 12:48 7 -> pipe:/[64750439]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 8 -> socket:/[64750441]

lrwx------ 1 root vboxusers 64 Jul 21 12:48 9 -> /var/***/logs/***_trans.log

[注]:执行ls -al /proc/26751/fd/就可以看到所有的26751进程打开的文件描述符

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