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Understanding the /etc/group File on Linux
The contents of the /etc/group file can seem cryptic at first. But all it contains is information on locally configured groups on a Linux system.
On Linux, configuring authorizations and access to certain parts of the system is done through user and group permissions.
Maybe you're trying to learn more about user groups and need to understand the contents of the /etc/group file. Or perhaps you want to dive into system administration and learn everything about configuring permissions and managing groups on Linux.
Whatever the reason, as a Linux user, knowing more about the /etc/group file can be helpful at times.