It's an unbroken rule in the computer publishing industry: Books like this one must begin with a tour of the featured operating system. If you're sick to death of introductory Linux chapters, please feel free to skip ahead to Chapter 2, "Physical Security."
Here, I'll address the following questions:
What is Linux?
Where did Linux come from?
Can you use Linux as a standalone system?
Is Linux suitable as an intranet/Internet server?
What security features does Linux offer?
What is Linux? That depends on who you ask. The short answer is this:
Linux is a free, UNIX-like, open-source, Internet-optimized, 32- or 64-bit network operating system (often used by hackers) that runs on widely disparate hardware, including ...