The
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
DIAGNOSTICS
rwall: RPC: Program not registered
The
rpc.rwalld8
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.rwalld8
daemon has terminated on the remote host.
rwall: RPC: Port mapper failure - RPC: Timed out
The remote host is not running the portmapper (see
rpcbind(8)),
and cannot accomodate any RPC-based services.
The host may be down.