1. ID方式查看

[root@WEB66 etc]# id root
uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel)


[root@WEB66 etc]# id loguser
uid=505(loguser) gid=505(log) groups=505(log)

2. finger方式查看

[root@WEB66 etc]# finger root
Login: root                             Name: root
Directory: /root                       Shell: /bin/bash
On since Wed Feb 12 09:36 (CST) on tty1 from :0
    21 hours 6 minutes idle
On since Wed Feb 12 09:40 (CST) on pts/0 from :0.0
   5 hours 16 minutes idle
On since Thu Feb 13 01:19 (CST) on pts/1 from 192.168.52.53
On since Thu Feb 13 01:22 (CST) on pts/2 from 192.168.52.53
   3 hours 16 minutes idle
Mail last read Thu Jan  2 14:20 2014 (CST)
No Plan.


[root@WEB66 etc]# finger loguser
Login: loguser                          Name: 我是一个LOG管理员
Directory: /var/loguser              Shell: /sbin/nologin
Never logged in.
No mail.
No Plan.