---
name: "rwall"
section: "1"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["linux", "freebsd", "openbsd"]
url: "https://new.carta.tech/rwall"
---

# rwall(1)

send a message to users logged on a host

## NAME

**rwall** – send a message to users logged on a host

## SYNOPSIS

**rwall** *host* \[*file*\]

## DESCRIPTION

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)](/rpc.rwalld/8.md) 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)](/rpc.rwalld/8.md) 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)](/rpcbind/8.md)), and cannot accommodate any RPC-based services. The host may be down.

## SEE ALSO

[who(1)](/who/1.md), [rpc.rwalld(8)](/rpc.rwalld/8.md), [rpcbind(8)](/rpcbind/8.md)

## HISTORY

The **rwall** command appeared in *Sun-OS*.

## BUGS

The sorting options are not implemented.