Groupadd command on Linux (create group) [Basic Guide]

The groupadd command on Linux creates a user group. This command writes information to the /etc/group and /etc/gshadow files.

The most common options are:

• -f: Forces the command to exit as a success even if the group name or groupid already exists;
• -g N: Assigns the number N to the Group ID;
• -p PASSWORD: assigns a password to a group, so a user must know the password to join a group

Examples:

To create a group called accounting:

# groupadd accounting

# cat /etc/group |grep accounting accounting:x:1006:

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Uirá Endy Ribeiro

Uirá Endy Ribeiro is a Software Developer and Cloud Computing Architect with a 23-year career. He has master's degrees in computer science and fifteen IT certifications and is the author of 11 books recognized in the IT world market. He is also Director at Universidade Salgado de Oliveira and Director of the Linux Professional Institute - LPI Director's Board.