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APM(1) Linux Programmer's Manual APM(1)
apm - query Advanced Power Management (APM) BIOS
apm [ -vVmsS ]
apm reads /proc/apm and presents the output in a human-readable format. Since primarily
battery status information is provided, this command is most useful on laptops with a com-
pliant APM BIOS. apm also allows the machine to be put into standby or suspend mode.
Print the apm program version and exit immediately.
Print information about the APM BIOS version and Linux APM driver version.
Print total minutes remaining instead of using an hh:mm format.
Put the machine into suspend mode if possible.
Put the machine into standby mode if possible.
Tell the system to ignore system-generated APM suspend and standby events when on
AC power. This may be useful to users who have laptops and want APM events when on
battery power, but not when on AC power.
Tell the system not to ignore system-generated APM suspend and standby events when
on AC power. This is the default mode; this option is provided as a way to undo a
prior "apm -i" call.
BUGS This program requires a post-1.3.57 kernel. This program will not work with older
kernels or with the APM patches, since the format for /proc/apm has changed radi-
This program was written by Rik Faith (email@example.com) and may be freely distributed
under the terms of the GNU General Public License. There is ABSOLUTELY NO WARRANTY for
this program. The current maintainer is Avery Pennarun (firstname.lastname@example.org).
10 Jan 1996 APM(1)
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