docker.softwareshinobi.com/docs/Linux-Commands/Users-And-Groups/080-the-useradd-command.md

The useradd command

The useradd command is used to add or update user accounts to the system.

Examples:

To add a new user with the useradd command the syntax would be the following:

useradd NewUser

To add a new user with the useradd command and give a home directory path for this new user the syntax would be the following:

useradd -d /home/NewUser NewUser

To add a new user with the useradd command and give it a specific id the syntax would be the following:

useradd -u 1234 NewUser

Syntax:

useradd [OPTIONS] NameOfUser

Possible options:

Flag	Description	Params
-d	The new user will be created using /path/to/directory as the value for the user's login directory	/path/to/directory
-u	The numerical value of the user's ID	ID
-g	Create a user with specific group id	GroupID
-M	Create a user without home directory	-
-e	Create a user with expiry date	DATE (format: YYYY-MM-DD)
-c	Create a user with a comment	COMMENT
-s	Create a user with changed login shell	/path/to/shell
-p	Set an unencrypted password for the user	PASSWORD