Package yp-tools

NIS (or YP) client programs

The Network Information Service (NIS) is a system which provides
network information (login names, passwords, home directories, group
information) to all of the machines on a network. NIS can enable
users to login on any machine on the network, as long as the machine
has the NIS client programs running and the user's password is
recorded in the NIS passwd database. NIS was formerly known as Sun
Yellow Pages (YP).

This package's NIS implementation is based on FreeBSD's YP and is a
special port for glibc 2.x and libc versions 5.4.21 and later. This
package only provides the NIS client programs. In order to use the
clients, you'll need to already have an NIS server running on your
network. An NIS server is provided in the ypserv package.

Install the yp-tools package if you need NIS client programs for machines
on your network. You will also need to install the ypbind package on
every machine running NIS client programs. If you need an NIS server,
you'll need to install the ypserv package on one machine on the network.

General Commands (Section 1)
ypcat prints the values of all keys from the NIS database specified by mapname, which may be a map name or a map nickname.
ypmatch prints the values of one or more keys from the NIS database specified by mapname, which may be a map name or a map nickname.
In the old days, the standard passwd(1), chfn(1) and chsh(1) tools could not be used under Linux to change the users NIS password, shell and GECOS information...
ypwhich returns the name of the NIS server that supplies the NIS services to a NIS client, or which is the master for a map. If invoked without arguments, it...
File Formats (Section 5)
nicknames contains a list of aliases and the corresponding NIS maps. There is one entry per line.
System Administration (Section 8)
yppoll [ -h host ] [ -d domain ] mapname
In order to run ypset, ypbind must be initiated with the -ypset or -ypsetme options. See ypbind(8). ypset tells ypbind to get NIS services for the specified...
yptest calls various NIS functions to check if the NIS configuration is correct and works as expected.