May 2013
Beginner to intermediate
384 pages
7h 40m
English
book
Linux Shell Scripting Cookbook, Second Edition - Second Edition
by Shantanu Tushar, Sarath Lakshman
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Killing processes and send or respond to signals
Termination of processes is an important task we always come across, including the need to terminate all the instances of a program. The command line provides several options for terminating programs. An important concept regarding processes in Unix-like environments is that of signals . Signals are an inter-process communication mechanism used to interrupt a running process to perform some action. Termination of a program is also performed by using the same technique. This recipe is an introduction to signals and their usage.
Getting ready
Signals are an inter-process mechanism available in Linux. We can interrupt a process using a specific signal, which is associated with an integer value. When ...
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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.