To create a new user account in Unix, you can use the useradd command.
For example, to create a new user account with the username bob, you can use the following command:
useradd bob
This will create a new user account with the username bob, as well as a home directory (/home/bob) and a default set of permissions and settings.
You can also use the -m option to create the user's home directory and copy over the default configuration files from the /etc/skel directory. For example:
useradd -m bob
You can also use the -g option to specify a primary group for the user, and the -G option to specify additional groups for the user to belong to. For example:
useradd -m -g users -G wheel bob
This will create a new user account with the username bob, create a home directory for the user, and assign the user to the users and wheel groups.
Overall, the useradd command is a useful tool for creating new user accounts in Unix. It has many other options and features that allow you to customize the user's permissions and settings.