August 1999
Intermediate to advanced
328 pages
8h 58m
English
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Shells
In brief, you cannot interact with the core functionality of Linux—called its kernel—without a shell. As I mentioned earlier in this chapter, a shell is to the Linux kernel as Command.com is to DOS—except that with Linux, you have the choice of more than one shell.
A Linux shell is a program that provides a command-line interface between a user and the kernel. The kernel contains all the routines needed for input and output, file management, and other core functionality. A shell enables the user to access these routines from the command-line prompt that it provides.
In addition, a shell includes a language used for programming, which—in the context of shells—is called shell scripting. (For more information on shell scripting, see Chapter ...
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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.