rwall(1)

rwall1

Send a message to users logged on a host

Usage

rwall host [file]

Overview

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.

Diagnostics

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.

Releases

61 releases since OpenBSD 2.1; the text changed 4 times.

  1. 2.1–2.5
  2. 2.6
  3. 2.7–3.3
  4. 3.4–4.1
  5. 4.2–8.0

History

The rwall command appeared in SunOS.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.