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)

Learning about Your CPU


Your CPU (sometimes called the processor) is the “brain” of your computer—it does most of the computer’s actual computing. We’ve mentioned CPUs in earlier chapters in reference to distribution availability; to run on a given CPU, most software must be recompiled for that CPU. It’s important that you know enough about the different CPU families to understand their strengths and weaknesses and to identify what type of CPU your computer uses.

Understanding CPU Families

CPU manufacturers tend to create product lines by making regular improvements to their products. Improvements range from minor (such as running the CPU at a faster clock rate, which is like running an engine at a faster speed) to moderate redesigns to improve speed (which is like shifting...