June 2000
Beginner
704 pages
14h 55m
English
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Chapter 21. Basic Shell Programming
What shell scripts are used for
Writing shell programs
Using shell variables
Using shell constructs
Writing shell functions
The part of any system that interprets keyboard or mouse commands is called the shell. Under MS-DOS, for example, the shell is called COMMAND.COM; under Windows 95/98, the graphical shell is called EXPLORER.EXE. Under most UNIX systems, users have their choice of shells in both the graphical and text-mode environments.
The most popular Linux shell is bash. This stands for Bourne Again Shell, and is named after one of the original UNIX shell designers. bash has a lighter relative, ash, which lacks some features such as command-line histories, but requires substantially less memory and is therefore ...
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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.
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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.