4 ms·

It's probably to avoid conflicting with potentially existing user-defined groups. The underscore in the C/UNIX world has an intrinsic meaning of "implementation

It's probably to avoid conflicting with potentially existing user-defined groups. The underscore in the C/UNIX world has an intrinsic meaning of "implementation reserved", so it's your fault if the new group conflicts with one you improperly created yourself.

SuperSandro2000 3y ago
Some other software can think the exact same thing.
- Tildey 3y ago
  This is why I only name users, groups, directories, etc, with UUIDs
- Karellen 3y ago
  "Some other software" that uses/adds users and groups on the system, is not part of the implementation of users and groups in the system.