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地址:http://blog.chinaunix.net/uid-20648944-id-3190395.html
查看當前登陸的使用者
$ who
loongson tty7 2012-04-27 08:58 (:0)
loongson pts/0 2012-04-27 09:00 (:0.0)
loongson pts/1 2012-04-27 09:00 (:0.0)
loongson pts/2 2012-04-27 09:15 (:0.0)
$ finger
Login Name Tty Idle Login Time Office Office Phone
loongson loongson tty7 12 Apr 27 08:58 (:0)
loongson loongson pts/0 4 Apr 27 09:00 (:0.0)
loongson loongson pts/1 Apr 27 09:00 (:0.0)
查看使用者的資訊
$ finger loongson
Login: loongson Name: loongson
Directory: /home/loongson Shell: /bin/bash
On since Fri Apr 27 08:58 (CST) on tty7 from :0
13 minutes 52 seconds idle
On since Fri Apr 27 09:00 (CST) on pts/0 from :0.0
5 minutes 50 seconds idle
On since Fri Apr 27 09:00 (CST) on pts/1 from :0.0
No mail.
No Plan
查看使用者所屬組別
$ groups loongson
loongson : loongson adm dialout cdrom plugdev lpadmin admin sambashare libvirtd
添加使用者到指定組:
# usermod -a -G testgroup loongson