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PTS-DOS
open-in-new
<p>PTS-DOS (aka PTS/DOS) is a <a href="/facts/Disk_operating_system/Kc28g5MR">disk operating system</a>, a <a href="/facts/DOS/sWwDXNmX">DOS</a> clone, developed in <a href="/facts/Russia/jfkCwyxn">Russia</a> by <a href="/facts/PhysTechSoft/5LsVelfc">PhysTechSoft</a> and <a href="/facts/Paragon_Technology_Systems/WlFzKKpf">Paragon Technology Systems</a>. </p>