SYNOPSIS
       acpi_available


DESCRIPTION
       acpi_available  checks  whether  the  ACPI ("Advanced Configuration and
       Power Interface") subsystem is available, as evidenced by the  presence
       of the /proc/acpi directory.


OPTIONS
       None.

EXIT STATUS
       0 (true)       ACPI subsystem is available
       1 (false)      ACPI subsystem is not available
       2              usage error (arguments supplied)

FILES
       /proc/acpi        ACPI status information file

AUTHOR
       This manual page was written by Thomas Hood <jdthood@yahoo.co.uk>.