Difference between add adduser and useradd commands in Linux
If you are learning Linux, and you are using Ubuntu, you might have gone through the adduser and useradd commands when you try to create a user. You might have wondered what is the difference between them. Let’s go through them carefully.
It is always good to use adduser when you add a user if you are new to Linux because, it will do all the job for you. You just give the command
The default values are taken from the /etc/adduser.conf
$ sudo adduser user1
This will create the new user ‘user1’, and create a group named ‘user1’. Then add the user1-to-user1 group. It will create the home directory /home/user1. It will copy files from /etc/skel to the home directory.
It will also prompt you for setting the password and you will be asked to give your information.
You can see that this one command will do everything on its own. We just need to give the username. It’s that simple. So, it is recommended to use this command while creating a user.
In useradd command, you will have to give options explicitly for creating the home directory, changing the default shell, etc.
You can see the default value below
$ sudo useradd user_1 -m -s /bin/bash -g user -c ‘This is a new user’
-m – for creating the home directory
-s – define the shell
-g define the group
-c for comment
If you are using CentOS, adduser and useradd will not be like this. This can be seen in Ubuntu,Debian
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