linux系统常用的基本命令分类: 文件命令:vim vimdiff diff mkdir touch rm mv cp ln cd ls more less head tail cat grep egrep sed nc awk 软件安装命令: tar unzip gzip rpm yum sh 用户命令:userdel useradd groupadd chown chomd groupadd groupdel id chattr lsattr su sudo passwd 查看系统命令:w