Creating, modifying, or deleting local user accounts

There are multiple commands that can be used to manage local user accounts in CentOS 7. This section covers only the most popular commands available in CentOS 7 to manage local user accounts.

Creating a user with the useradd command

The useradd command, when run without options, creates a user account with default parameters. The default parameters are read from the /etc/login.defs file and include parameters such as valid UID, GID number, default password aging rules, and so on. Values from this file are used while creating a new user only. The syntax of useradd is as follows:

$ useradd    <username>

useradd --help will display options that can be used with the useradd...