February 2019
Beginner
504 pages
10h 47m
English
Content preview from The Linux Command Line, 2nd Edition
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7SEEING THE WORLD AS THE SHELL SEES IT
In this chapter, we are going to look at some of the “magic” that occurs on the command line when we press the ENTER key. While we will examine several interesting and complex features of the shell, we will do it with just one new command:
echo Display a line of text
Expansion
Each time we type a command and press the ENTER key, bash performs several substitutions upon the text before it carries out our command. We have seen a couple of cases of how a simple character sequence, for example *, can have a lot of meaning to the shell. The process that makes this happen is called expansion. With expansion, we ...
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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.