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last呼吁可用于表现特定用户登录体系的汗青记录。假如没有指定任何参数，则表现全部用户的汗青信息。在默认环境下，这些信息(所表现的信息)未来历于/var/log/wtmp文件。该呼吁的输出功效包括以下几列信息：
- 用户名称
- tty装备号
- 汗青登录时刻日期
- 登出时刻日期
- 总事变时刻
- [alvin@VM_0_16_centos ~]$ last
- alvin pts/5 116.199.***.** Sun Dec 9 11:53 still logged in
- kate pts/4 116.199.***.** Sun Dec 9 11:08 still logged in
- harry pts/3 116.199.***.** Sun Dec 9 11:06 still logged in
- alvin pts/2 116.199.***.** Sun Dec 9 11:05 still logged in
- root pts/1 116.199.***.** Sun Dec 9 11:05 still logged in
- alvin pts/0 116.199.***.** Sun Dec 9 07:25 still logged in
- alvin pts/0 116.199.***.** Sat Dec 8 20:42 - 23:10 (02:28)
- alvin pts/0 119.33.***.** Mon Dec 3 20:50 - 23:51 (1+03:01)
- alvin pts/0 119.33.***.** Thu Nov 29 20:20 - 22:45 (02:24)
- alvin pts/0 223.104.***.** Thu Nov 29 06:46 - 07:00 (00:14)
- alvin pts/0 223.104.***.** Wed Nov 28 20:45 - 22:27 (01:42)
- alvin pts/1 14.25.***.*** Sun Nov 25 19:50 - 21:09 (01:18)
- alvin pts/0 119.33.***.** Sun Nov 25 16:32 - 21:40 (05:07)
假如我们只想看某小我私人的汗青记录，则在last后跟上对应的用户名即可：
- [alvin@VM_0_16_centos ~]$ last alvin
- alvin pts/5 116.199.***.** Sun Dec 9 11:53 still logged in
- alvin pts/2 116.199.***.** Sun Dec 9 11:05 still logged in
- alvin pts/0 116.199.***.** Sun Dec 9 07:25 still logged in
- alvin pts/0 116.199.***.** Sat Dec 8 20:42 - 23:10 (02:28)
- alvin pts/0 119.33.***.** Mon Dec 3 20:50 - 23:51 (1+03:01)
- alvin pts/0 119.33.***.** Thu Nov 29 20:20 - 22:45 (02:24)
- alvin pts/0 223.104.***.** Thu Nov 29 06:46 - 07:00 (00:14)
- alvin pts/0 223.104.***.** Wed Nov 28 20:45 - 22:27 (01:42)
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