Linux显示各栏位的标题信息列 ~~~ youhaidong@youhaidong-ThinkPad-Edge-E545:~$ who -H 名称 线路 时间 备注 youhaidong :0 2015-01-26 22:43 (:0) youhaidong pts/0 2015-01-26 22:45 (:0) ~~~ ~~~ youhaidong@youhaidong-ThinkPad-Edge-E545:~$ who --heading 名称 线路 时间 备注 youhaidong :0 2015-01-26 22:43 (:0) youhaidong pts/0 2015-01-26 22:50 (:0) ~~~