How to create and delete users in Linux || useradd || userdel

#useradd #userdel #linux #linuxessentials

How to create a user using useradd command in Linux?
to create a new user use the useradd command. The syntax is:
#useradd username
The useradd command can be executed only with admin permissions. The details of all users are available in /etc/passwd file
The options available with useradd are:
-d: to create a home directory
-u : to add a UID of choice
-g: to assign user to an existing group
-G: to add user to supplementary group

The command to delete a user is userdel. Syntax:
#userdel username
Again this command can be executed only by the admin

how to use -d option with useradd
how to use -u option with useradd
how to use -g option with useradd
how to use -G option with useradd
how to use -f option with userdel

[umairnaseer]

userdel -r Smith should work to delete the user Smith and all the associated files and directories.

[sarbodayajena]

1.1001 will be the minimum UID
2. I think there is no single command
3.useradd Ricky -u 2222 -g U4

[kandhukurinithin]

How to delete the username and again create with the same name as user name

[MrEjo]

It isn't possible to delete or create multiple users at once with only 'useradd' or 'userdel'. You have to create loop for that.

[abinchacko]

How to remove a user from a group either primary or secondary..?