Copyright (c) 1994 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
This software may be used, modified, copied, and distributed, in
both source and binary form provided that the above copyright and
these terms are retained. Under no circumstances is the author
responsible for the proper functioning of this software, nor does
the author assume any responsibility for damages incurred with its
use.
.Dd November 1, 1994 .Dt APM 8 .Os .Sh NAME .Nm apm, zzz .Nd control the APM BIOS and display its information .Sh SYNOPSIS .Nm apm .Op Fl ablsz .Op Fl d Ar 1|0
p .Nm zzz .Sh DESCRIPTION .Nm Apm controls the Intel / Microsoft APM (Advanced Power Management) BIOS and displays the current status of APM on laptop PCs. .Nm Zzz suspends the system by controlling APM.
p The following options are available for .Nm apm (no options are available for .Nm zzz ). If no options are specified, .Nm apm displays information and current status of APM in verbose mode. l -tag -width indent t Fl a Display the current AC-line status as an integer value. The values 0 and 1 correspond to the .Dq off-line state or .Dq on-line state, respectively. t Fl b Display an integer value reflecting the current battery status. The values 0, 1, 2, 3, correspond to the .Dq high status, .Dq low status, .Dq critical status, .Dq charging status respectively. t Fl d Disable/enable suspending of the display separately from a normal suspend using using the values .Ar 1 or .Ar 0 respectively. t Fl l Display the remaining battery percentage. If your laptop does not support this function, 255 is displayed. t Fl s Display the status of the APM support as an integer value. The values 0 and 1 correspond to the .Dq enabled state or .Dq disabled state respectively. t Fl z Suspend the system. It is equivalent to .Nm zzz. .Sh BUGS Some APM implementations do not support parameters needed by .Nm apm. On such systems, .Nm apm displays them as unknown.
p Some APM implementations cannot handle events such as pushing the power button or closing the cover. On such implementations, the system .Ar must be suspended .Ar only by using .Nm apm or .Nm zzz. .Sh SEE ALSO .Xr apm 4 , .Xr apmconf 8 .Sh AUTHOR HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp> (Keio Univ., Japan)