Introduction
The Linux command adduser is used to add a new user to the system. It is a simple command that can be used to quickly add a new user to the system with a few options. This command can be used to create a new user with a specific username, set the user’s password, and assign the user to a specific group. It can also be used to set the user’s home directory, shell, and other options. This command is a great way to quickly add a new user to the system without having to manually create the user.
Examples
The adduser command is used to add a new user to the system. It is used to create a new user account with the specified username.
Syntax:
adduser [options] username
Options:
-c, –comment COMMENT: Set the user’s GECOS field to COMMENT.
-d, –home HOME_DIR: Set the user’s home directory to HOME_DIR.
-e, –expiredate EXPIRE_DATE: Set the account expiration date to EXPIRE_DATE.
-f, –inactive INACTIVE: Set the number of days after a password expires until the account is permanently disabled.
-g, –gid GROUP: Set the user’s initial group to GROUP.
-G, –groups GROUPS: Set the user’s additional groups to GROUPS.
-k, –skel SKEL_DIR: Use SKEL_DIR as the skeleton directory.
-m, –create-home: Create the user’s home directory.
-M, –no-create-home: Do not create the user’s home directory.
-N, –no-user-group: Do not create a group with the same name as the user.
-p, –password PASSWORD: Set the user’s password to PASSWORD.
-r, –system: Create a system account.
-s, –shell SHELL: Set the user’s login shell to SHELL.
-u, –uid UID: Set the user’s UID to UID.
Example:
To add a new user with the username “john” and the password “password”, the command would be:
adduser -p password john
The adduser command in Linux is used to add a new user to the system. It is a simple and easy to use command that allows you to quickly add a new user to the system. The command has several options that can be used to customize the user’s account.
The basic syntax for the adduser command is:
adduser [options] username
The options available for the adduser command are:
- -c : This option allows you to specify a comment for the user’s account. This comment is usually used to provide a brief description of the user.
- -d : This option allows you to specify the home directory for the user. If this option is not specified, the user’s home directory will be set to the default location.
- -e : This option allows you to specify the expiration date for the user’s account. If this option is not specified, the user’s account will never expire.
- -g : This option allows you to specify the primary group for the user. If this option is not specified, the user will be added to the default group.
- -G : This option allows you to specify additional groups for the user. This option can be used to add the user to multiple groups.
- -m : This option allows you to specify whether or not to create the user’s home directory. If this option is not specified, the user’s home directory will be created.
- -s : This option allows you to specify the shell for the user. If this option is not specified, the user will be assigned the default shell.
- -u : This option allows you to specify the user ID for the user. If this option is not specified, the user ID will be automatically assigned.
The adduser command is a simple and easy to use command that allows you to quickly add a new user to the system. By using the various options available, you can customize the user’s account to meet your needs.
