1、查看當前登錄用戶

[root@94ip?~]$?whatis?w

w?????(1)?-?Show?who?is?logged?on?and?what?they?are?doing

[root@94ip?~]$?w

09:49:30?up?1?day,?17:19,?4?users,?load?average:?0.00,?0.00,?0.00

USER??TTY??FROM????LOGIN@?IDLE?JCPU?PCPU?WHAT

root??tty3??-????09:25?23:25?0.10s?0.08s?-bash

root??pts/0?192.168.105.188?09:32?9:38?0.02s?0.02s?-bash

root??pts/1?192.168.105.188?09:36?9:32?0.03s?0.02s?-bash

wilsh?pts/2?192.168.105.188?09:41?0.00s?0.00s?0.00s?w

2、踢出當前在線的用戶

a)pkill

[root@94ip?~]$?whatis?pkill

pkill?[pgrep]??(1)?-?look?up?or?signal?processes?based?on?name?and?other?attributes

[root@94ip?~]$?pkill?-KILL?-u?wilsh?#-u用來指定用戶名

[root@94ip?~]$?pkill?-9?-u?wilsh?#?-KILL?-9都是可以的。

[root@94ip?~]$?pkill?-KILL?-t?pts/2

[root@94ip?~]$?pkill?-KILL?-t?/dev/pts/2

b)skill

[root@94ip?~]$?whatis?skill

skill

(1)?-?send?a?signal?or?report?process?status

[root@94ip?~]$?skill?-9?-t?pts/2

[root@94ip?~]$?w

09:57:37?up?1?day,?17:28,?4?users,?load?average:?0.00,?0.00,?0.00

USER??TTY??FROM????LOGIN@?IDLE?JCPU?PCPU?WHAT

root??tty3??-????09:25?31:32?0.10s?0.08s?-bash

root??pts/0?192.168.105.188?09:32?17:45?0.02s?0.02s?-bash

root??pts/1?192.168.105.188?09:36?17:39?0.01s?0.01s?-bash

wilsh?pts/2?192.168.105.188?09:57?0.00s?0.00s?0.00s?w

[root@94ip?~]$?skill?-9?-u?wils

總結

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