which whereis locate find alias file ls cat echotar bzip2 gzip history mv cp rm --------------------------------------------------------------------------------------------------------------------------------------------------linux下的查找命令which,whereis…
cd 切换目录 cd 目录 [root@mysql ~]# cd / [root@mysql /]# ls application bin class dev home lib64 media nfsbackup opt python sbin server sys usr backup boot data etc lib lost+found mnt oldboy proc root selinux srv tmp var [root@mysql /]# cd /tmp [root@mysql…