'\"macro stdmacro
.if n .pH g1a.led @(#)led	40.4 of 10/10/89
.\" Copyright 1989 AT&T
.nr X
.if \nX=0 .ds x} led 1M "Essential Utilities" "\&"
.if \nX=1 .ds x} led 1M "Essential Utilities"
.if \nX=2 .ds x} led 1M "" "\&"
.if \nX=3 .ds x} led "" "" "\&"
.TH \*(x}
.SH NAME
\f4led\f1 \- flash green LED
.SH SYNOPSIS
\f4\/etc\/led\f1
[ \f4\-f\fP ] [ \f4\-o\fP ]
.SH DESCRIPTION
\f4led\fP
is used to turn on the green LED (light emitting diode) 
located on the exterior of the cabinet.
The main purpose is to signal particular phases of the boot procedure.
The options are as follows:
.PP
.TP
\f4\-f\f1
sets the green LED to a flashing state via the
\f4sys3b\fP system call.
.TP
\f4\-o\f1
sets the green LED to a constant on state via the
\f4sys3b\fP system call.
.SH SEE ALSO
\f4sys3b\fP(2) in the
\f2Programmer's Reference Manual\f1.
.SH NOTES
This command can be run only by the super-user.
.\"	@(#)led.1	1.1 of 6/15/84
.Ee
