last 命令
$ last
显示如下：
joshua tty1 Wed Feb 17 19:21 still logged in
joshua pts/1 :0 Wed Feb 17 19:15 - 19:20 (00:05)
joshua :0 :0 Wed Feb 17 18:56 still logged in
reboot system boot 3.16.0-50-generi Wed Feb 17 18:55 - 19:24 (00:29)
joshua tty1 Wed Feb 17 15:29 - down (02:22)
joshua :0 :0 Wed Feb 17 15:26 - down (02:25)
reboot system boot 3.16.0-50-generi Wed Feb 17 15:24 - 17:51 (02:27)
joshua pts/2 :0 Sat Feb 6 09:08 - 10:49 (01:41)
joshua :0 :0 Sat Feb 6 09:03 - down (01:46)
reboot system boot 3.16.0-50-generi Sat Feb 6 09:03 - 10:50 (01:46)
joshua pts/1 :0 Fri Feb 5 18:15 - down (00:11)
joshua pts/1 :0 Fri Feb 5 18:04 - 18:15 (00:10)
joshua tty1 Fri Feb 5 10:00 - 17:24 (07:24)
joshua :0 :0 Fri Feb 5 09:55 - down (08:31)
reboot system boot 3.16.0-50-generi Fri Feb 5 09:55 - 18:27 (08:31)
joshua pts/11 :0 Thu Feb 4 15:44 - 15:47 (00:03)
joshua tty1 Thu Feb 4 10:27 - down (08:29)
joshua pts/1 :0 Thu Feb 4 10:23 - 10:23 (00:00)
joshua :0 :0 Thu Feb 4 10:14 - down (08:43)
reboot system boot 3.16.0-50-generi Thu Feb 4 10:13 - 18:57 (08:44)
joshua tty1 Wed Feb 3 10:10 - down (08:44)
joshua :0 :0 Wed Feb 3 10:06 - down (08:49)
reboot system boot 3.16.0-50-generi Wed Feb 3 10:06 - 18:55 (08:49)
joshua tty1 Tue Feb 2 10:06 - down (09:57)
joshua :0 :0 Tue Feb 2 10:05 - down (09:57)
reboot system boot 3.16.0-50-generi Tue Feb 2 10:05 - 20:03 (09:58)
joshua pts/8 :0 Mon Feb 1 17:24 - 18:57 (01:32)
joshua pts/8 :0 Mon Feb 1 17:16 - 17:19 (00:02)
joshua pts/10 :0 Mon Feb 1 16:54 - 16:59 (00:05)
joshua tty1 Mon Feb 1 13:34 - down (05:24)
joshua pts/5 :0 Mon Feb 1 11:14 - 13:28 (02:14)
joshua pts/4 :0 Mon Feb 1 11:13 - 13:28 (02:15)
joshua pts/2 :0 Mon Feb 1 11:12 - 13:28 (02:16)
wtmp begins Mon Feb 1 11:12:30 2016
Pretty Cool!
