ArchiveOS<p>RISC OS (Reduced Instrcution Set Computer Operating System) – an OS for desktop computers running ARM processors. RISC OS was originally developed by Acorn Computers Ltd in Cambridge, England has been in continual development since 1989. <a href="https://archiveos.org/risc-os/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">archiveos.org/risc-os/</span><span class="invisible"></span></a> <a href="https://mastodon.social/tags/operatingsystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>operatingsystem</span></a> <a href="https://mastodon.social/tags/riscos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>riscos</span></a></p>