apm_available (1) - Linux Man Pages
apm_available: test whether APM subsystem is available
DESCRIPTIONapm_available checks whether the APM ("Advanced Power Management") subsystem is available, as evidenced by the presence of the /proc/apm file.
0 (true) APM subsystem is available 1 (false) APM subsystem is not available 2 usage error (arguments supplied)
/proc/apm APM status information file
AUTHORThis manual page was written by Thomas Hood <jdthood [at] yahoo.co.uk>.
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