getevent命令解析
1.getevent命令使用一般都是通过Help来查询命令的使用方法，getevent命令也不例外130|generic_x86:/ $ getevent -hUsage: getevent [-t] [-n] [-s switchmask] [-S] [-v [mask]] [-d] [-p] [-i] [-l] [-q] [-c count] [-r] [device] -t: show time stamps -n: don't print newlines -s: pr
