apm_available(1) test whether APM subsystem is available

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

AUTHOR

This manual page was written by Thomas Hood <[email protected]>.