What does ut mean in linux

UT in Linux represents user activity time, which records the login and logout time of each user on the system and their activity time in the system. Use the "ut" command to view the current or specified date logins. To the system's user list or activity reports for a specific user.

The operating system of this tutorial: Linux5.18.14 system, Dell G3 computer.

In Linux, "ut" represents user activity time, which records the login and logout time of each user on the system and their activity time in the system.

The `ut` command is used to view the list of users who have logged into the system currently or within a specified date or the activity report of a specific user.

Here are some common uses:

• `ut`: Displays a list of all users currently active on the system.

• `ut username`: Display the recent activities of the specified username.

• `ut -d [YYMMDD]`: Use with date to view user activity on a specific day. If no date is provided, it defaults to today.

• `utmpdump`: Displays the contents of the binary file that stores user login information.

The ut command is especially useful when an administrator needs to know who logged into the system when and how long they spent in the system. It can also be used to generate reports to help keep track and manage user activity on the system.

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