常用命令概述

• 文本编辑

cat head tail more less tree touch diff patch rm dir ls
ed sed vi vim emacs
gedit kate kwrite kedit 

• 查找

 find grep 

• 帮助系统

man info help

• 目录操作

pwd cd mkdir rmdir 

• 文件系统

mount/unmount df fdisk   

• 权限操作

chmod chown chgrp

• 用户与组

sdduser useradd userdel usermod   
groups groupadd groupdel  groupmod 
passwd gpasswd mkpasswd   
su sudo who whoami finger