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ON_AC_POWER

Section: (1)
Updated: January 2004
Index Return to Main Contents
 

NAME

on_ac_power - test whether the computer is running on line power  

SYNOPSIS

on_ac_power  

DESCRIPTION

The command succeeds (status 0) if the system is using line power and fails (status other than 0) otherwise. It is designed to be easy to use in shell scripts.  

OPTIONS

None.  

EXIT STATUS


0 (true)    System is on line power
1 (false)   System is not on line power
255 (false) Power status could not be determined
 

FILES



/proc/apm         APM status information file

/proc/acpi        ACPI status information directory
 

AUTHOR

This manual page was written by Steve Dodd <steved@loth.demon.co.uk> and was updated by Thomas Hood.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXIT STATUS
FILES
AUTHOR




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