Linux用户信息查询

[@bjzw_11_210 ~]# w
 14:03:18 up 342 days, 16:01,  2 users,  load average: 0.03, 0.04, 0.00
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
root     pts/0    10.149.239.20    Thu13    0.00s  0.19s  0.00s w
guest    pts/2    10.139.239.20    Thu15   22:43m  0.02s  0.02s -bash

[@tc_62_179 blog_spider]# who
root     pts/0        2017-12-05 09:50 (10.149.239.20)
root     pts/1        2017-12-07 20:41 (10.149.239.20)

[@tc_62_179 blog_spider]# lastlog
Username         Port     From             Latest
root             pts/1    10.149.239.20    Thu Dec  7 20:41:32 +0800 2017
bin                                        **Never logged in**
daemon                                     **Never logged in**
adm                                        **Never logged in**
lp                                         **Never logged in**
sync                                       **Never logged in**
shutdown                                   **Never logged in**
halt                                       **Never logged in**
mail                                       **Never logged in**
operator                                   **Never logged in**
games                                      **Never logged in**
ftp                                        **Never logged in**
nobody                                     **Never logged in**
avahi-autoipd                              **Never logged in**
systemd-bus-proxy                           **Never logged in**
systemd-network                            **Never logged in**
dbus                                       **Never logged in**
polkitd                                    **Never logged in**
abrt                                       **Never logged in**
libstoragemgmt                             **Never logged in**
rpc                                        **Never logged in**
postfix                                    **Never logged in**
pcp                                        **Never logged in**
tss                                        **Never logged in**
unbound                                    **Never logged in**
ntp                                        **Never logged in**
rpcuser                                    **Never logged in**
nfsnobody                                  **Never logged in**
sssd                                       **Never logged in**
chrony                                     **Never logged in**
sshd                                       **Never logged in**
tcpdump                                    **Never logged in**
oprofile                                   **Never logged in**
odin             pts/0    10.142.239.25    Sun Nov 12 19:50:11 +0800 2017
apache                                     **Never logged in**
netmonitor                                 **Never logged in**
guest                                      **Never logged in**
nscd                                       **Never logged in**

[@tc_62_179 blog_spider]# id
uid=0(root) gid=0(root) groups=0(root)
[@tc_62_179 blog_spider]# id odin
uid=1000(odin) gid=1000(odin) groups=1000(odin),6(disk)