查询及帮助命令
man help
文件和目录操作命令
ls cd cp find mkdir mv pwd rename rm rmdir touch tree basename dirname chattr lsattr md5sum
查看文件内容及内容处理命令
cat tac more less head tail cut split paste sort uniq wc iconv dos2unix file diff vimdiff rev grep egrep join tr vi vim
原文：http://killuamusic.blog.51cto.com/2143259/1855940