1、which :查命令所在路径,常用
[root@CCTV
~]#which cp
alias cp
='cp -i'
/usr
/bin
/cp
[root@CCTV
~]#which ls
alias ls
='ls --color=auto'
/usr
/bin
/ls
[root@CCTV
~]#which ip
/usr
/sbin
/ip
[root@CCTV
~]#
2、whereis 显示命令、源码及说明文档等的路径
[root@CCTV
~]#whereis ls
ls
: /usr
/bin
/ls
/usr
/share
/man
/man1
/ls
.1.gz
[root@CCTV
~]#whereis
-b ls
ls
: /usr
/bin
/ls
[root@CCTV
~]#
[root@CCTV
~]#man whereis
whereis
- locate the binary
, source
, and manual page files
for a
command
3、locate:快速定位文件路径
查找文件路径,是从数据库里(/var/1ib/mlocate/mlocate.db)查询 用updatedb命令更新数据库 C7默认不安装
yum install mlocate -y //安装,跳过确认