Linux Commands Examples

A great documentation place for Linux commands

on_ac_power

test whether computer is running on AC power

Synopsis

on_ac_power


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description

on_ac_power checks whether the system is running on AC power (i.e., mains power) as opposed to battery power.

options

None.

exit status

0 (true)

System is on mains power

1 (false)

System is not on mains 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[:at:]loth.demon.co[:dot:]uk> and was updated by Thomas Hood.

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