Understanding Computer Operating Systems Plr Ebook

PLR Ebook Table Of Contents

Table of Contents    2
INTRODUCTION    3
WHAT IS AN OPERATING SYSTEM?    5
HISTORY OF OPERATING SYSTEMS    9
WHAT AN OPERATING SYSTEM DOES    13
Process Management    13
Memory Management    19
Disk and File Systems    23
Networking    24
Security    25
Internal Security    27
External Security    28
Graphical User Interfaces    29
Device Drivers    29
Application Interface    31
MICROSOFT WINDOWS    34
MAC OS    45
UNIX    51
LINUX    54
GNU    57
OTHER OPERATING SYSTEMS    59
INSTALLING AN OPERATING SYSTEM    62
DEFINING THE PROCESSES    66
Cache    66
Virtual Memory    74
System Resources    76
RAM    77
Computer Memory    84
CONCLUSION    91

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INTRODUCTION

Our body couldn’t function without our brains.  The brain tells the various pieces of our body how to work and how to interact.  Without a brain, we wouldn’t be able to do anything at all.

An operating system is kind of like the brain of a computer.  You have a bunch of hardware like the CPU tower, the monitor, and the keyboard, but without a CPU, they can’t do anything but power up and turn on.  The operating system organizes files and lets the hardware know what it should do.

In the early days of computers, there was just one operating system.  As computers progressed, the OS turned into MS-DOS, but computers really weren’t capable of doing much without software.  Then Bill Gates came along.

With the founding of Microsoft, the computer operating system came into its own and brought computers to new levels of functioning and technology.  Although the brand names of operating systems are few, they do perform different tasks depending on the requirements of the computer user.

While the dominant OS today would be Microsoft Windows, there are other types of operating systems that offer different features.  Those would include Linux, UNIX, and OS X…

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