July 2003
Intermediate to advanced
1440 pages
40h 40m
English
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Working with DOS Applications
In 1981, Microsoft released MS-DOS for IBM and IBM-compatible PCs. A single-tasking operating system with a command-line interface, MS-DOS managed program execution, oversaw file maintenance, and controlled operations such as disk I/O and keyboard input. By tech age standards, this might seem like ancient history and of little relevance to the world of Windows XP. Yet DOS has not been totally relegated to the annals of electronic history, and Windows XP makes room for those legacy DOS applications through the Virtual DOS machine (VDM) environment subsystem.
The VDM mimics the hardware and software of an MS-DOS computer. When you run a DOS application, Windows XP runs it through the VDM, which allows Windows XP to ...
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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.