useradd - create a new user or update default new user information

To add a new user

$ sudo useradd user1

To create a user with a different home directory

$ sudo useradd -d /home/klug user2

To create a user with a specific User ID

$ sudo useradd -u 1004 user3

To create a user with a specific Group ID

$ sudo -u 1004 -g admin user4

To add a user to multiple groups

$ sudo useradd -G admin,devops,dev user5

To add a user without home directory

$ sudo useradd -M user6

To create a user with an account expiry date

$ sudo useradd -e 2024-04-04 user7

To create a user with password expiry date

$ sudo -e 2024-04-04 -f 50 user1

To add a user with custom comments

$ sudo useradd -c "welcome to user2" user2

To add a user without a login shell

$ sudo useradd -s /sbin/nologin user3

To create user with home directory

$ sudo useradd -m user4

regards,

T.Dhanasekar