YPCAT(1) General Commands Manual YPCAT(1)
ypcat - print values in a NIS data base
ypcat [ -kt ] [ -d domainname ] mname
This command is available with the Networking software installation
option. Refer to for information on how to install optional software.
ypcat prints out values in a Network Information Service (NIS) map
specified by mname, which may be either a map name or a map nickname .
Since ypcat uses the NIS service, no NIS server is specified.
To look at the network-wide password database, passwd.byname, (with the
nickname passwd). type in:
Refer to ypfiles(5) and ypserv(8) for an overview of the NIS service.
-k Display the keys for those maps in which the values are null or
the key is not part of the value.
-t Inhibit translation of mname to map name. For example, `ypcat
-t passwd' will fail because there is no map named passwd,
whereas ` ypcat passwd ' will be translated to `ypcat
Specify a domain other than the default domain. The default
domain is returned by domainname.
-x Display the map nickname table. This lists the nicknames
(mnames) the command knows of, and indicates the mapname associ-
ated with each nickname.
domainname(1), ypmatch(1), ypfiles(5), ypserv(8)
The Network Information Service (NIS) was formerly known as Sun Yellow
Pages (YP). The functionality of the two remains the same; only the
name has changed. The name Yellow Pages is a registered trademark in
the United Kingdom of British Telecommunications plc, and may not be
used without permission.
17 December 1987 YPCAT(1)