Linux文件及目录查找 一which——显示命令的完整路径 [root@centos71 ~]# which ls alias ls='ls --color=auto' /usr/bin/ls [root@centos71 ~]# which cp alias cp='cp -i' /usr/bin/cp [root@centos71 ~]# which cat /usr/bin/cat [root@centos71 ~]# which cd /usr/bin/cd [root@centos7