in.rwhod, rwhod — System Status Server
Synopsis
/usr/sbin/in.rwhod [-m [ttl]]
Description
The in.rwhod daemon is the server that maintains the database used by the rwho(1) and ruptime(1) programs. Its operation is predicated on the ability to broadcast or multicast messages on a network.
in.rwhod operates as both a producer and consumer of status information. As a producer of information, it periodically queries the state of the system and constructs status messages that are broadcast or multicast on a network. As a consumer of information, it listens for other in.rwhod servers' status messages, validating them, then recording them in a collection of files located in the directory /var/spool/rwho.
The rwho server transmits and receives messages ...
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