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RedHat 9 (Linux i386) - man page for ypcat (redhat section 1)

ypcat(1)						      General Commands Manual							  ypcat(1)

ypcat - print values of all keys in a NIS database
ypcat [ -kt ] [ -d domain ] [ -h hostname ] mapname ypcat -x
ypcat prints the values of all keys from the NIS database specified by mapname, which may be a map name or a map nickname.
-d domain Specify a domain other than the default domain as returned by domainname(1). -h hostname Specify a hostname other than the default one as found by ypbind(8). -k Display map keys. This option is useful with maps in which the values are null or the key is not part of the value. -t This option inhibits map nickname translation. -x Display the map nickname translation table.
/var/yp/nicknames map nickname translation table.
domainname(8), nicknames(5), ypbind(8), ypmatch(1), yppoll(8), ypserv(8), yset(8), ypwhich(1)
ypcat is part of the yp-tools package, which was written by Thorsten Kukuk <>. YP Tools 2.7 December 2001 ypcat(1)