Linux last命令详解 Linux last命令怎么用

使用权限：所有使用者。

语法

shell>> last [options]

参数说明：

• -R 省略 hostname 的栏位
• -num 展示前 num 个
• username 展示 username 的登入讯息
• tty 限制登入讯息包含终端机代号

实例

shell>> last -R -2

johnney pts/1 Mon Aug 14 20:42 still logged in

johnney pts/0 Mon Aug 14 19:59 still logged in

wtmp begins Tue Aug 1 09:01:10 2000 ### /var/log/wtmp

shell>> last -2 minery

minery pts/0 140.119.217.115 Mon Aug 14 18:37 - 18:40 (00:03)

minery pts/0 140.119.217.115 Mon Aug 14 17:22 - 17:24 (00:02)

wtmp begins Tue Aug 1 09:01:10 2000

一般显示方法

# last

简略显示，并指定显示的个数

# last -n 5 -R

root pts/4 Thu May 13 17:25 still logged in

root pts/2 Thu May 13 17:23 - 17:25 (00:02)

root pts/1 Thu May 13 16:46 still logged in

root pts/7 Thu May 13 15:36 still logged in

root pts/9 Thu May 13 15:35 still logged in

wtmp begins Thu May 13 18:55:40 2014

显示最后一列显示主机IP地址

# last -n 5 -a -i

root pts/4 Thu May 13 17:25 still logged in 192.168.1.10

root pts/2 Thu May 13 17:23 - 17:25 (00:02) 192.168.1.10

root pts/1 Thu May 13 16:46 still logged in 192.168.1.10

root pts/7 Thu May 13 15:36 still logged in 192.168.1.10

root pts/9 Thu May 13 15:35 still logged in 192.168.1.10

wtmp begins Thu May 13 18:55:40 2014