How to switch username in linux

The methods to switch user names in Linux systems are: use the su command to switch to the specified user. Use the sudo command to run the command as another user. Enter the user name directly. If the current user has granted switching permission, you can switch directly.

How to switch Linux username

Switching username in Linux system is a simple process, you can This is done by:

Method 1: su command

##su command allows you to switch to another user. The syntax is as follows:

<code>su [用户名]</code>

For example, to switch to user "john", you can use the following command:

<code>su john</code>

Method 2: sudo command

# The ##sudo

command allows you to run commands as another user. The syntax is as follows: <pre class="brush:php;toolbar:false">&lt;code&gt;sudo -u [用户名] [命令]&lt;/code&gt;</pre>For example, to run a command as user "john", you can use the following command:

<code>sudo -u john command</code>

Method 3: Switch directly

In some cases, you can switch directly to another user without using a command. Just enter the following command:

<code>username</code>

For example, to switch to user "john", just enter the following command:

<code>john</code>

Notes:

Switching to another user requires the user's password.

• Some commands may require root privileges to run. In this case, you can use the
sudo
• command. Direct switching only applies when the current user has been granted permission to switch to the target user.

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