September 2009
Beginner
942 pages
85h 34m
English
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Name
acpi
Synopsis
acpi [options]Displays information about the ACPI (Advanced Configuration and Power Interface) system, based on the /proc/acpi file. Most kernels after 2.4 support ACPI hardware, and in both hardware and software, ACPI is gradually replacing the older APM (Advanced Power Management) system. Some operating systems, including SUSE, ship a combined ACPI/APM power interface called powersaved. Most, however, require either ACPI or APM software.
Note that some ACPI systems have special events that are not available on others. For example, some laptops have events related to their docking stations and keyboard lights that are not used on nondocking or unlighted laptops. On all systems, the /proc/acpi directory must be present for acpi commands to work.
Options
- --a, --ac-adapter
Show whether the AC adapter is connected.
- -A, --without-ac-adapter
Do not show information about the AC adapter.
- b, --battery
Display battery information.
- -B, --without-battery
Do not display battery information.
- -c, --celcius
Use degrees Celsius as the temperature unit. This is the default unit.
- -d, --directory path
Use the specified path to ACPI information. The default is /proc/acpi.
- -f, --fahrenheit
Use degrees Fahrenheit as the temperature unit.
- -h, --help
Display help information.
- -k, --kelvin
Use degrees Kelvin as the temperature unit.
- -s, --show-empty
Display information even on devices that are not available or not installed, such as empty slots for extra batteries.
- -S, --hide-empty
Do not display information ...
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