group(5) File Formats Manual group(5) group - /etc/group . : group_name:password:GID:user_list : group_name ( ). , . GID (ID) . user_list , . /etc/group 4.2BSD initgroups(3): , /etc/group. . chgrp(1), gpasswd(1), groups(1), login(1), newgrp(1), sg(1), getgrent(3), getgrnam(3), gshadow(5), passwd(5), vigr(8) Azamat Hackimov , Dmitry Bolkhovskikh , Vladislav , Yuri Kozlov ; GNU 3 , . . , , . Linux man-pages 6.06 31 2023 . group(5)