Book Image

Fundamentals of Linux

By : Oliver Pelz
Book Image

Fundamentals of Linux

By: Oliver Pelz

Overview of this book

Linux is a Unix-like operating system assembled under the model of free and open source software development and distribution. Fundamentals of Linux will help you learn all the essentials of the Linux command line required to get you started. The book will start by teaching you how to work with virtualization software and install CentOS 7 Linux as a VM. Then, you will get to grips with the workings of various command line operations, such as cursor movement, commands, options, and arguments. As you make your way through the chapters, the book will not only focus on the most essential Linux commands but also give an introduction to Bash shell scripting. Finally, you will explore advanced topics, such as networking and troubleshooting your system, and you will get familiar with the advanced file permissions: ACL, setuid, and setgid. Fundamentals of Linux includes real-world tasks, use cases, and problems that, as a system administrator, you might encounter in your day-to-day activities.
Table of Contents (7 chapters)

The Linux Filesystem

In the previous chapter, we introduced you to Linux files and folders by navigating the filesystem. In this chapter, we will learn how to work with, find, and change permissions and access to reading and editing files. We will expand our knowledge on this topic, define what a filesystem is, and show you important commands for working with files, such as copying and moving.

We'll walk you through the following concepts:

  • Understanding the filesystem
  • Working with file links
  • Searching for files
  • Working with users and groups
  • Working with file permissions
  • Working with text files
  • Working with VIM text editor