February 2020
Intermediate to advanced
800 pages
18h 33m
English
book
CompTIA Linux+ Certification All-in-One Exam Guide: Exam XK0-004
by Ted Jordan, Sandor Strohmayer
Content preview from CompTIA Linux+ Certification All-in-One Exam Guide: Exam XK0-004
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CHAPTER 3
Working with the Linux Shell
In this chapter, you will learn about
• What a shell is
• Setting a local environment
• Setting time
• Configuring the shell
• Bash configuration files
• Redirection
You may find it helpful to log on to the virtual machine as user student1 (password student1) while reading this chapter.
What Is a Shell?
A shell is a program that functions as a user interface, command-line interpreter, and programing (scripting) language. Let’s take a brief look at each of these entities.
Users need a way to tell the operating system what tasks it needs to complete, and the operating system needs a way to communicate results to the users. A user interface allows a user to interact with the operating system. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.