DOS with Windows 3.1 and 3.11 Operating Environments

DOS with Windows 3.x

Windows 95 and 98

Windows 9x

UNIX

UNIX

Linux Offshoot of Unix

Windows NT

Windows NT

Windows 2000

Windows 2000

OS/2

OS/2

Macintosh Operating System

Macintosh Operating System

How an Operating System Manages an Application

Operating System Capabilities

Network Capable

Single Tasking

Multi-Tasking

Multi-User Multiple Simultaneous Users

Operating System Modes

Real Mode

Protected Mode

Applications Software

Categories of Applications Software

How Applications Software is Loaded and Initialized

How Applications Software is Loaded and Initialized

How Applications Software is Loaded and Initialized

Launching a Program File

Rules DOS Uses to Search for Executable Program Files

Copying the Program into Memory

Loading Application Software Using Windows 9x

Loading Application Software Using Windows 9x

Loading Application Software Using Windows 9x

Applications Software Summary

Chapter Summary

Chapter Summary

Chapter Summary