nss(5) File Formats Manual nss(5) (NAME) nss - (Name Service Switch) (DESCRIPTION) (password) (group) (Name Service Switch) (GNU C library) . . . . . . . . /etc/default/nss . NSS . (White spaces) . '#' () . : NETID_AUTHORITATIVE = TRUE|FALSE TRUE NIS initgroups(3) NIS netid.byname (authoritative) . group.byname . netid.byname (as is) . . SERVICES_AUTHORITATIVE = TRUE|FALSE TRUE NIS getservbyname(3) getservbyname_r(3) NIS services.byservicename (authoritative) /proto /proto (service aliases) . . SETENT_BATCH_READ = TRUE|FALSE TRUE NIS setpwent(3) setgrent(3) getpwent(3) getgrent(3) . getpwent(3) getgrent(3) () . (FILES) /etc/default/nss (EXAMPLES) : NETID_AUTHORITATIVE=FALSE SERVICES_AUTHORITATIVE=FALSE SETENT_BATCH_READ=FALSE (SEE ALSO) nsswitch.conf(5) Linux man-pages 6.19 2026-02-08 nss(5)