Introduction
The Linux command -u is used to specify the user ID for a user. This command is used to identify the user and grant them access to certain files and directories. It is important to note that the user ID must be unique for each user. The user ID is used to authenticate the user and grant them access to the system. This command is used to ensure that only authorized users can access the system.
Examples
Example:
To change the user ID of the user “john” to 1000, use the following command:
$ sudo usermod -u 1000 john
The -u option is used to specify the user ID for the user in the Linux command line. This option is used to set the user ID of the user to the specified value. It is used to change the user ID of the user to the specified value.
For example, if you want to change the user ID of the user “john” to “1000”, you can use the following command:
usermod -u 1000 john
This command will change the user ID of the user “john” to “1000”.
The -u option is a useful tool for managing user accounts in Linux. It can be used to change the user ID of a user to the specified value. This can be useful for setting up user accounts or for changing the user ID of a user.
