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Editor to share with you how to use the last command of the Linux system, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Last is a command-line tool that displays information about the last login session of the system user. This command is very useful, especially if you need to track user activity or investigate a possible security breach.

Syntax shell > > last [options] parameter description:

-R omits the hostname field

-num before num presentation

Username displays login messages of username

Tty restriction login message includes terminal code

Example shell > > last-R-2johnney pts/1 Mon Aug 14 20:42 still logged injohnney pts/0 Mon Aug 14 19:59 still logged inwtmp begins Tue Aug 1 09:01:10 2000 # / var/log/wtmpshell > > last-2 mineryminery 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 wtmp begins Tue Aug 1 09:01:10 2000 General display method

# last brief display, and specify the number of displays

# last-n 5-Rroot 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 shows the last column showing the host IP address

# last-n 5-a-iroot pts/4 Thu May 13 17:25 still logged in 192.168.1.10root pts/2 Thu May 13 17:23-17:25 (00:02) 192.168.1.10root pts/1 Thu May 13 16:46 still logged in 192.168.1.10root pts/7 Thu May 13 15:36 still logged in 192.168.1.10root pts/9 Thu May 13 15:35 still logged in 192.168.1. 10wtmp begins Thu May 13 18:55:40 2014 is all the content of the article "how to use last commands in Linux system" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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