yppush is used to distribute a NIS map from a master server to any slave server in the domain. The list of servers of
domainname are fetched from the NIS map
ypservers.
The options are as follows:
-d domainname
NIS domain to use instead of the default domain.
-h hostname
Distribute map only to one host and not to the hosts in the ypserver map.
-v
Verbose. Announce what the program is doing.