who & finger
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<strong># who am i</strong> root pts/5 Jun 08 00:50 (172.17.246.250) <strong># who</strong> train pts/0 Jun 08 00:27 (172.17.246.250) train pts/1 Jun 08 00:28 (172.17.251.8) root pts/2 Jun 08 00:55 (172.17.246.250) train pts/3 Jun 08 00:49 (172.17.246.250) train pts/4 Jun 08 00:49 (172.17.246.250) root pts/5 Jun 08 00:50 (172.17.246.250) <strong># finger root</strong> Login name: root Directory: / Shell: /usr/bin/ksh On since Jun 08 00:55:46 on pts/2, 2 minutes 26 seconds Idle Time from 172.17.246.250 On since Jun 08 00:50:57 on pts/5, 20 seconds Idle Time from 172.17.246.250 No Plan. |
WALL（群发信息到所有用户）
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# wall hehe Broadcast message from root@training (pts/5) at 01:07:36 ... hehe |
write（发给指定用户）
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# write train pts/6 （退出命令） |