> [AIX] in a dbm file. Most systems though do not have DBM format password > databases. because dbm is atrocious on collisions, if nothing else. BSD uses (of course) Berkeley DB. Also ncsd *does* cache /etc/passwd file lookups - at least on solaris and linux - it's caching the call+result, not the data source. (hesiod and ldap both fill the NIS niche as well.)