给出实验环境:


ps使用说明:man ps
SYNOPSIS
ps [options]
EXAMPLES
To see every process on the system using standard syntax:
ps -e
ps -ef
ps -eF
ps -ely
To see every process on the system using BSD syntax:
ps ax
ps axu
To print a process tree:
ps -ejH
ps axjf
To get info about threads:
ps -eLf
ps axms
To get security info:
ps -eo euser,ruser,suser,fuser,f,comm,label
ps axZ
ps -eM
To see every process running as root (real & effective ID) in user format:
ps -U root -u root u
To see every process with a user-defined format:
ps -eo pid,tid,class,rtprio,ni,pri,psr,pcpu,stat,wchan:14,comm
ps axo stat,euid,ruid,tty,tpgid,sess,pgrp,ppid,pid,pcpu,comm
ps -Ao pid,tt,user,fname,tmout,f,wchan
Print only the process IDs of syslogd:
ps -C syslogd -o pid=
Print only the name of PID 42:
ps -q 42 -o comm=
命令ps -ef

该命令后接参数e与f:
字段含义:
命令ps -aux

该命令后接参数a、u与x:
字段含义:
命令ps -le

该命令后接参数l和e:
字段含义:
1.rmdir命令误删除的文件还能恢复吗?
未找到恢复rmdir指令执行结果的解决方式,对于该问题还是平时文件多注意进行备份,以便突发情况发生。
2.vim使用时,操作参数都有哪些?
如图所示:

原文:https://www.cnblogs.com/duxinZhu/p/12423657.html