GROUP.CONF(5) Linux-PAM GROUP.CONF(5) (NAME) group.conf - pam_group (DESCRIPTION) PAM pam_group ( ) . . /etc/security/group.conf . '\' ( ) . '#' . : services;ttys;users;times;groups services PAM . tty . users UNIX netgroup . '%' netgroup '@' . '!' (NOT ) '&' (AND ) '|' (OR ) . '*' . UNIX netgroup . times << >> . / . MoTuSa . : MoMo = MoWk = . Mo Tu We Th Fr Sa Su Wk Wd Al . AlFr . / '!' << >> . HHMM ( ). groups . . service+ttys+users . (EXAMPLES) /etc/security/group.conf . 'xsh' tty* ( ttyXXX) 'us' floppy ( floppy) xsh;tty*&!ttyp*;us;Al0000-2400;floppy 'xsh' tty* ( ttyXXX) 'sword' 'pike' 'shield' games ( floppy) . xsh; tty* ;sword|pike|shield;!Wk0900-1800;games, sound xsh; tty* ;*;Al0900-1800;floppy 'admin' 'xsh' tty* ( ) 'plugdev' xsh; tty* ;%admin;Al0000-2400;plugdev (SEE ALSO) pam_group(8), pam.d(5), pam(8) (AUTHOR) pam_group Andrew G. Morgan . Linux-PAM 01/26/2026 GROUP.CONF(5)