I used to run Acorn's RISC OS in just 2MB of RAM. | Hacker News

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		kiwijamo 14 days ago \| parent \| context \| favorite \| on: 200 MB RAM FreeBSD desktop I used to run Acorn's RISC OS in just 2MB of RAM.

lproven 13 days ago [–]

I ran it in 1MB. :-)

And it was fast and responsive, too.

Soon afterwards I bought a Psion 3 which ran a multitasking GUI OS on an 8086 in 256 kB of RAM.

That space was shared with file storage in a RAMdisc.

https://phonedb.net/index.php?m=device&id=826&c=psion_series...

It was perfectly viable to have multiple apps open and flip between them. It ran for weeks on a pair of AA batteries.

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