Book Image

Linux Essentials - Second Edition

By : Christine Bresnahan, Richard Blum
Book Image

Linux Essentials - Second Edition

By: Christine Bresnahan, Richard Blum

Overview of this book

Linux Essentials, Second Edition provides a solid foundation of knowledge for anyone considering a career in information technology, for anyone new to the Linux operating system, and for anyone who is preparing to sit for the Linux Essentials Exam. Through this engaging resource, you can access key information in a learning-by-doing style. Hands-on tutorials and end-of-chapter exercises and review questions lead you in both learning and applying new information—information that will help you achieve your goals! With the experience provided in this compelling reference, you can sit down for the Linux Essentials Exam with confidence. An open-source operating system, Linux is a UNIX-based platform that is freely updated by developers. The nature of its development means that Linux is a low-cost and secure alternative to other operating systems, and is used in many different IT environments. Passing the Linux Essentials Exam prepares you to apply your knowledge regarding this operating system within the workforce.
Table of Contents (19 chapters)

Handling USB Devices


Most modern computers use USB ports as the primary interface for external peripherals. Keyboards, mice, cameras, flash storage, hard disks, network adapters, scanners, printers, and more can all connect via USB. For the most part, USB devices work in a plug-and-play manner—you plug them in, and they work. Some specific caveats include the following:

Human-Interface Devices X usually takes over keyboards, mice, tablets, and similar devices when you plug them in. If you have problems, you may need to adjust your X configuration by editing /etc/X11/xorg.conf, but this is an advanced topic that’s beyond the scope of this book.

Disk Storage We include USB flash drives, external hard disks, and other storage devices in this category. As described earlier in “Using Removable and Optical Disks,” it’s critical that you unmount the disk before you unplug its USB cable. Failure to do so can result in data corruption.

Mobile Phones, Cameras...