July 2005
Intermediate to advanced
944 pages
158h 24m
English
book
Linux in a Nutshell, Fifth Edition
by Ellen Siever, Aaron Weber, Stephen Figgins, Robert Love, Arnold Robbins
Content preview from Linux in a Nutshell, Fifth Edition
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
acpi_available | 35
Linux
Commands
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
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
-b, --battery
Display battery information.
-B, --without-battery
Do not display battery information.
-t, --thermal
Display temperature information.
-T, --without-thermal
Do not display temperature information.
-a, --ac-adapter
Show whether the AC adapter is connected.
-A, --without-ac-adapter
Do not show information about the AC adapter.
-V, --everything
Show all information on every device.
-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 on devices that are not opera-
tional or not installed.
-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 path
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.
-v, --version
Display version information.
acpi_available
acpi_available
Determine whether ACPI functionality exists. Returns 0 for true ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.