whoami #查看当前登录有效用户
- X' h' x6 u1 @9 J# y+ g2 ?$ j- [root@localhost # whoami
- root
- [root@localhost # * m2 X) M# K/ \' a
+ R ^2 j. h9 Q4 @! L; E
who #查看系统当前所有的登录会话
7 S) m+ E1 L0 o" D% Z/ K5 V: |- [root@localhost # who
- root pts/0 2017-02-04 23:22 (192.168.1.2)
- [root@localhost # 6 N% {8 D( {1 N" s4 A/ c
" s+ l$ H7 U4 k- k
w #查看系统当前所有的登录会话及所做的操作- P0 j# _7 H: f) U* m/ P
- [root@localhost # w
- 20:20:32 up 53 min, 1 user, load average: 0.00, 0.01, 0.05
- USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
- root pts/0 192.168.1.2 23:22 ? 0.03s 0.00s w
- [root@localhost #
( O# f' L8 S/ ?: U. q K# C: N) i7 _
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