DOKK / manpages / debian 12 / rwall / rwall.1.en
RWALL(1) General Commands Manual RWALL(1)

rwall — send a message to users logged on a host

rwall host [file]

The rwall command sends a message to the users logged into the specified host. The message to be sent can be typed in and terminated with EOF or it can be in a file.

rwall: RPC: Program not registered
The rpc.rwalld(8) daemon has not been started on the remote host.
rwall: RPC: Timed out
A communication error occurred. Either the network is excessively congested, or the rpc.rwalld(8) daemon has terminated on the remote host.
rwall: RPC: Port mapper failure - RPC: Timed out
The remote host is not running the portmapper (see portmap(8) ), and cannot accommodate any RPC-based services. The host may be down.

wall(1), portmap(8), rpc.rwalld(8)

The rwall command appeared in SunOS.

August 15, 1999 Linux NetKit (0.17)