Preface

A Practical Guide to Linux® Commands, Editors, and Shell Programming explains how to work with the Linux operating system from the command line. The first few chapters quickly bring readers with little computer experience up to speed. The rest of the book is appropriate for more experienced computer users. This book does not describe a particular release or distribution of Linux but rather pertains to all recent versions of Linux.

Command line interface (CLI)

In the beginning there was the command line (textual) interface (CLI), which enabled you to give Linux commands from the command line. There was no mouse or icons to drag and drop. Some programs, such as emacs, implemented rudimentary windows using the very minimal graphics available ...

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