DOS XL is a discontinued disk operating system for Atari 8-bit computers, written by Paul Laughton, Mark Rose, Bill Wilkinson, and Mike Peters and published by Optimized Systems Software, known as OSS. It was engineered to remain compatible with Atari DOS, which had been created by the same team of developers before they left Atari to found OSS. DOS XL reached its final release, version 2.30, in 1984, and was distributed under a proprietary license for the Atari 8-bit computer line. As a product built by Atari DOS's own original authors, it represented a commercially available continuation and improvement of Atari's stock disk operating system rather than an unrelated clone.
Facts
Classification
LicenseProprietary (Closed Source) 1 FAQs
Why did DOS XL turn off write verification?
OSS found writes were faster with virtually no risk of errors, and VERIFY.COM turns the check back on.
Optimized Systems Software (OSS) turned file write verification off in DOS XL because its own experience showed faster writes with virtually no risk of errors. Atari DOS 2.0S, by contrast, verified file writes to disk by default. OSS included a command file named VERIFY.COM so that users who wanted verified writes could switch the check back on.
Connections
Sources
1. DOS XL (Wikipedia)
Patch
Version 2.30p was a newer version to 2.30 to fix two problems.
Infobox, License
Proprietary software
Lead paragraph
DOS XL is a discontinued Disk Operating System
- In Group: DOS-Family Systems, discontinued disk operating system for Atari 8-bit computers compatible with Atari DOS
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