功能
display who is logged in
显示已登录用户
用法
$ who
zhangjian console Jul 29 00:14
zhangjian ttys001 Aug 2 16:17
zhangjian ttys002 Aug 2 16:17
zhangjian ttys003 Aug 2 16:17
display who is logged in
显示已登录用户
$ who
zhangjian console Jul 29 00:14
zhangjian ttys001 Aug 2 16:17
zhangjian ttys002 Aug 2 16:17
zhangjian ttys003 Aug 2 16:17
本文标题：Linux命令 - who
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