Linux中查询当前用户的命令总结
1、w命令查看当前用户
[[email protected] /]# w
04:31:52 up 1:45, 2 users, load average: 0.00, 0.01, 0.05
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root tty1 02:46 1:45m 0.02s 0.02s -bash
root pts/0 192.168.146.1 03:19 0.00s 0.10s 0.02s w
第一行分别是：当前时间、从开机到现在有多久、负载均衡
第二行是：每列的说明
第三行是：root用户的登录信息
2、who命令查看主机上的用户
[[email protected] /]# who
root tty1 2017-04-19 02:46
root pts/0 2017-04-19 03:19 (192.168.146.1)
【附】：查看当前登录用户是谁
whoami (字母之间没有空格)
3、lastlog命令查看主机上的用户
[[email protected] /]# lastlog | head -n 15
Username Port From Latest
root pts/0 192.168.146.1 Wed Apr 19 03:19:47 -0400 2017
bin Never logged in
daemon Never logged in
adm Never logged in
lp Never logged in
sync Never logged in