Lesson plan
WDU (software)
Westinghouse Disk Utility, popularly called WDU, is a copy/backup/restore program for IBM's DOS, DOS/VS, and DOS/VSE environments. In 1978, it was reported that WDU, a product of Westinghouse Electric Corporation, was in use at over 3,000 sites. Originally designed for IBM's DOS, Westinghouse continued developing it for subsequent generations, including DOS/VS, DOS/VSE, and VM/CMS. The product offered a wide variety of backup and copy options, data streaming, alternating tape drives, and an ability to create archives.
Article summary
Westinghouse Disk Utility, popularly called WDU, is a copy/backup/restore program for IBM's DOS, DOS/VS, and DOS/VSE environments. In 1978, it was reported that WDU, a product of Westinghouse Electric Corporation, was in use at over 3,000 sites. Originally designed for IBM's DOS, Westinghouse continued developing it for subsequent generations, including DOS/VS, DOS/VSE, and VM/CMS. The product offered a wide variety of backup and copy options, data streaming, alternating tape drives, and an ability to create archives.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.