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Defeating a 40-year-old copy protection dongle – Dmitry Brant
(dmitrybrant.com)
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this post was submitted on 02 Feb 2026
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Could have used FreeDOS.
Btw, i have seen a large-ish (for local ratios) furniture vendor doing receipts in a text-mode software back in 2023. Each clerk used it selling furniture.
That would most likely have been a AS/400 iSeries setup. Still in use by some large companies.