What is the command to switch username in Linux?

The command to switch usernames in Linux is usermod [option] . The available options are: -c to set descriptive comments -d to set home directory -e to set Expiration time -L Lock account -U Unlock account -m Move home directory -s Set up login shell -G Add group membership

Switch Linux Username command

To switch the username in the Linux system, you can use the usermod command.

Syntax:

<code>usermod [选项] <新用户名> <用户名></code>

Options:

• -c Comments: Set user descriptive notes.
• -d Directory: Set the user's home directory.
• -e Expiration time: Set the expiration time of the user account.
• -L Lock: Lock the user account.
• -U Unlock: Unlock the user account.
• -m Move: Move the user's home directory to a new location.
• -s shell: Set the user's login shell.
• -G Group: Add group membership to a user.

Example:

To change the username of user john to jack, you can run the following command :

<code>sudo usermod -l jack john</code>

To add membership to group sales to user mary, run the following command:

<code>sudo usermod -aG sales mary</code>

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