What is the command to switch users in Linux?

To switch users in Linux, you can use the su command. This command supports the following options: -: Specify the identity of the user to run a single command. -c: Run the specified command as the specified user. -l: Run as the login shell of the specified user. -s: Specifies the shell to use.

Linux user switching command: su

The command used to switch users in Linux is su.

su command syntax:

<code>su [选项] [用户]</code>

Options:

• -: with Run a single command as a specified user.
• -c: Run the specified command as the specified user.
• -l: Runs as the login shell of the specified user.
• -s: Specifies the shell to use.

Usage:

To switch to another user, you can enter the following command:

<code>su 用户名</code>

You will be prompted to enter the password of the target user . After entering the password, you will switch to that user's shell.

Example:

To switch to a user named "john", you can enter the following command:

<code>su john</code>

You will be prompted to enter "john" " password. After entering the password, you will switch to "john"'s shell.

Tip:

• If you do not specify a user, you will switch to the root user.
• If you run the su command as root, you can switch users without a password.
• Use the su command with caution as it allows you to access restricted resources.

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