TestOut Linux Pro Practice Test 2026 - Free Linux Pro Practice Questions and Study Guide

To create a new group in Linux, the command `groupadd [groupname]` is used. This command fundamentally allows a system administrator to specify the name of the new group to be created. The `groupadd` command is straightforward and effective, ensuring that the new group is integrated into the system's user and group database.

When using `groupadd`, it's essential to have the necessary privileges, typically requiring superuser or root access, as modifying system groups is a restricted action to maintain security and system integrity.

In consideration of the other options: `newgroup` is not a standard command in many Linux distributions, and while it may appear to function similarly, it does not serve the specific purpose of creating groups. The `addgroup` command exists but is primarily found in Debian-based systems and serves as a user-friendly wrapper around `groupadd`. `creategroup` is not a recognized command in common Linux environments. Thus, the use of `groupadd` remains the most universally accepted and straightforward method for creating new groups across different Linux distributions.