alias命令
设置别名，便于执行相关命令

设置临时别名:

[root@primary ~]# alias v33='vim /etc/sysconfig/network-scripts/ifcfg-ens33'
[root@primary ~]# v33
[3]+  Stopped                 vim /etc/sysconfig/network-scripts/ifcfg-ens33
[root@primary ~]# 

临时取消别名

unalias v33

设置永久别名

vim ~/.bashrc

#.bashrc

#User specific aliases and functions

alias v33='vim /etc/sysconfig/network-scripts/ifcfg-ens33'
alias rm='rm -i'