July 2018
Beginner
704 pages
23h 51m
English
Content preview from Linux Essentials for Cybersecurity
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Chapter 4Editing Files
You might wonder why there is an entire chapter devoted to editing files. The Linux operating system is configured largely by hundreds of text files. User and group accounts, system services, utilities, and many other features rely on text files to hold critical information.
Chapter 2, “Working on the Command Line,” introduced several examples of critical files, including initialization files such as /etc/profile and ~/.bashrc. These initialization files are used to modify the shell environment when a user logs in or opens a new shell process. Each one of these files is a text file that needs to be edited at some point.
In this chapter, you learn how to use text editors. The primary focus will be on the vi/vim editor, ...
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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.