June 2000
Beginner
704 pages
14h 55m
English
Content preview from Practical Linux
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Creating Shell Commands
The shell recognizes a number of special characters on the command line. This section shows how to use these characters to do the following:
Send a program's output to a file.
Have a program read text from a file.
Append a program's output to a file.
Run a program in the background.
Using the >, >>, and < Redirection Operators
Shell redirection operators are used to direct a program's input and output. The shell can be used to feed a program input from another application, from the command line, or even from another file. These operators are used to copy, create, or overwrite files; to build reports; or to create databases.
The cat (short for concatenate) command is used to print one or more files to your display. ...
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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.