.Dd October 15, 2024
.Dt WALL 1
.Os
.Sh NAME
.Nm wall
.Nd write message to all users
.Sh SYNOPSIS
.Nm
.Op Fl m Ar message
.Op Ar file
.Sh DESCRIPTION
.Nm
broadcasts a
.Ar message
to the terminals of all users logged into the system.
If no
.Ar message
is specified, the message is read from the
.Ar file
if specified, or the standard input otherwise.
.Pp
The options are as follows:
.Bl -tag -width "12345678"
.It Fl m Ar message
Broadcast this
.Ar message
rather than reading from the standard input or the specified file
.Ar file .
.El
.Sh EXIT STATUS
.Nm
will exit 0 on success and non-zero otherwise.
.Sh SEE ALSO
.Xr shutdown 8