Frequent Question: What Is Primary Group Linux?

Primary group – Specifies a group that the operating system assigns to files that are created by the user. Each user must belong to a primary group. Secondary groups – Specifies one or more groups to which a user also belongs.

How find primary and secondary group in Linux?

There are multiple ways to find out the groups a user belongs to. The primary user’s group is stored in the /etc/passwd file and the supplementary groups, if any, are listed in the /etc/group file. One way to find the user’s groups is to list the contents of those files using cat , less or grep .

How do you set a primary group in Linux?

To set or change a user primary group, we use option ‘-g’ with usermod command. Before, changing user primary group, first make sure to check the current group for the user tecmint_test. Now, set the babin group as a primary group to user tecmint_test and confirm the changes.