Introduction
In Linux system administration, groups are a fundamental way to organize permissions and facilitate access control to resources. Sometimes it is necessary to modify the characteristics of an existing group, either its numeric identifier (GID) or its name, without having to delete and recreate it. The groupmod command allows these modifications to be made safely and directly from the terminal.
What is groupmod
The groupmod command belongs to the set of account and group management utilities that are part of the shadow-utils suite. Its main function is to alter the attributes of a group already created in the /etc/group file and, optionally, in /etc/gshadow. It does not affect the group’s members; it only changes the identifier or the name of
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