1root::0: 2other::1:root 3bin::2:root,daemon 4sys::3:root,bin,adm 5adm::4:root,daemon 6uucp::5:root 7mail::6:root 8tty::7:root,adm 9lp::8:root,adm 10nuucp::9:root 11staff::10: 12daemon::12:root 13sysadmin::14: 14games::20: 15smmsp::25: 16gdm::50: 17xvm::60: 18mysql::70: 19webservd::80: 20postgres::90: 21nobody::60001: 22noaccess::60002: 23nogroup::65534: 24