SYNOPSIS
apm_available
DESCRIPTION
apm_available checks whether the APM ("Advanced Power Management") subsystem is available, as evidenced by the presence of the /proc/apm file.
OPTIONS
None.EXIT STATUS
0 (true) APM subsystem is available 1 (false) APM subsystem is not available 2 usage error (arguments supplied)
FILES
/proc/apm APM status information file