<p>SDF Vintage Systems is comprised of 26 hardware, hybrid and simulated historical operating systems and computers accessible via the INTERNET.</p><p>You can support our efforts in preservation and access at <a href="https://icm.museum/join.html" target="_blank" rel="nofollow noopener noreferrer"><span class="invisible">https://</span><span class="">icm.museum/join.html</span><span class="invisible"></span></a></p><p><a href="https://mastodon.sdf.org/tags/retrocomputing" class="mention hashtag" rel="tag">#<span>retrocomputing</span></a> <a href="https://mastodon.sdf.org/tags/vintagecomputing" class="mention hashtag" rel="tag">#<span>vintagecomputing</span></a> <a href="https://mastodon.sdf.org/tags/community" class="mention hashtag" rel="tag">#<span>community</span></a> <a href="https://mastodon.sdf.org/tags/retrogaming" class="mention hashtag" rel="tag">#<span>retrogaming</span></a></p>