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.TH ON_AC_POWER 1 "9 March 2002"
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.SH NAME
on_ac_power \- test whether computer is running on AC power
.SH SYNOPSIS
.B on_ac_power
.SH DESCRIPTION
.B on_ac_power
checks whether the system is running on AC power (i.e., mains power)
as opposed to battery power.
.SH OPTIONS
None.
.SH "EXIT STATUS"
.br
.nf
\fB0\fR (true)	System is on mains power
\fB1\fR (false)	System is not on mains power
\fB255\fR (false)	Power status could not be determined
.SH FILES
.br
.nf
.ta \w'/proc/apm   'u
\fI/proc/apm\fR         APM status information file
.nf
.ta \w'/proc/acpi/ 'u
\fI/proc/acpi\fR        ACPI status information directory
.SH AUTHOR
This manual page was written by Steve Dodd <steved@loth.demon.co.uk>
and was updated by Thomas Hood.