There used to be stock exchanges running happily on DOS. Maybe there still are. | Hacker News

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		queuebert 1 day ago \| parent \| context \| favorite \| on: SDL Now Supports DOS There used to be stock exchanges running happily on DOS. Maybe there still are.

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chaps 1 day ago | [–]

Worked at an exchange in 2007/2008 and... we had systems still running from the 80s. Mostly tape audit stuff.

BirAdam 1 day ago | [–]

Most use Linux now, and specifically RHEL. I did see some IBM z, but that was specifically for one old DB that handled oil pipeline stuff.

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