This excerpt is from the book, 'DevOps Troubleshooting: Linux Server Best Practices' by Kyle Rankin, published by Pearson/Addison-Wesley Professional, ISBN 0321832043, Nov 2012, Copyright 2013 Pearson Education, Inc.

The init Daemon The init daemon is the system and service manager for Linux. It is the first true process Linux starts when it boots and as such, has a PID of 1 and is the ancestor of all processes. The init daemon has been around since the early days of UNIX, and many people have worked to improve it.

Chapter 3: Algorithms Python includes several modules for implementing algorithms elegantly and concisely using whatever style is most appropriate for the task. It supports purely procedural, object-oriented, and functional styles. All three styles are frequently mixed within different parts of the same program.

This article is an excerpt from the new 2nd Ed. of Mark Sobell's book, A Practical Guide to Linux Commands, Editors, and Shell Programming, published Nov. 2009 by Prentice Hall Professional, ISBN 0131367366, Copyright 2010 Mark G. Sobell. For additional sample content from a selection of chapters, please visit the publisher site: www.informit.com/title/0131367366

This chapter excerpt is from Citizen Engineer: A Handbook for Socially Responsible Engineering by David Douglas and Greg Papadopoulos, with John Boutelle, published by Prentice Hall Professional, ISBN 0137143923, Copyright 2010 David Douglas and Greg Papadopoulos. For more info, please visit the publisher page: www.informit.com/title/0137143923