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PTS-DOS
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<h2 id="history-and-versions">History and versions</h2> <p>PhysTechSoft was formed in 1991 in <a href="/facts/Moscow/XUU6VkdY">Moscow</a>, <a href="/facts/Russia/jfkCwyxn">Russia</a> by graduates and members of <a href="/facts/Moscow_Institute_of_Physics_and_Technology/aNSCg4zB">MIPT</a>, informally known as PhysTech. At the end of 1993, PhysTechSoft released the first commercially available PTS-DOS as PTS-DOS v6.4.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a><a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> The version numbering followed <a href="/facts/MS-DOS/fVrrz1uN">MS-DOS version</a> numbers, as Microsoft released <a href="/facts/MS-DOS_6.2/fVrrz1uN">MS-DOS 6.2</a> in November 1993. </p><p>In 1995, some programmers left PhysTechSoft and founded <a href="/facts/Paragon_Technology_Systems/WlFzKKpf">Paragon Technology Systems</a>. They took source code with them and released their own version named PTS/DOS 6.51CD as well as S/DOS 1.0 ("Source DOS"), a stripped down open-source version. According to official PhysTechSoft announcements, these programmers violated both copyright laws and Russian military laws,<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> as PTS-DOS was developed in close relationship with Russia's military and thus may be subject to <a href="/facts/Military_secret/dV5jzCQk">military secrets</a> law. </p><p>PhysTechSoft continued development on their own and released PTS-DOS v6.6 somewhere between<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> and presented PTS-DOS v6.65 at the <a href="/facts/CeBIT/UWCnT5hG">CeBIT</a> exhibition in 1997.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> The next version from PhysTechSoft, formally PTS/DOS Extended Version 6.70<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> was labeled PTS-DOS 2000 and is still being distributed as a last 16-bit PTS-DOS system, as of 2007. </p><p>Paragon continued their PTS-DOS line and released Paragon DOS Pro 2000 (also known and labeled in some places as PTS/DOS Pro 2000). According to Paragon, this was the last version and all development since then ceased. Moreover, this release contained bundled source code of older PTS-DOS v6.51.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> </p><p>Later, PhysTechSoft continued developing PTS-DOS and finally released PTS-DOS 32, formally known as PTS-DOS v7.0,<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> which added support for the <a href="/facts/FAT32/uFvpmWxa">FAT32</a> <a href="/facts/File_system/FdPm90uc">file system</a>. </p><p>PTS-DOS is certified by the <a href="/facts/Russian_Ministry_of_Defense/ANg3AG5c">Russian Ministry of Defense</a>.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> </p> <h2 id="commands">Commands</h2> <p>The following list of <a href="/facts/Command_(computing)/zUrvQbFy">commands</a> are supported by PTS-DOS 2000 Pro.<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a> </p> <ul><li><a href="/facts/APPEND_(DOS_command)/d72UqhJ3">APPEND</a></li> <li>ASK</li> <li><a href="/facts/ASSIGN_(DOS_command)/d72UqhJ3">ASSIGN</a></li> <li><a href="/facts/ATTR_(DOS_command)/t81evL39">ATTR</a></li> <li><a href="/facts/BEEP_(DOS_command)/qGcVpG1J">BEEP</a></li> <li><a href="/facts/BREAK_(DOS_command)/d72UqhJ3">BREAK</a></li> <li><a href="/facts/CALL_(DOS_command)/d72UqhJ3">CALL</a></li> <li><a href="/facts/CD_(DOS_command)/GRT0BkeF">CD</a></li> <li><a href="/facts/CHDIR_(DOS_command)/GRT0BkeF">CHDIR</a></li> <li><a href="/facts/CHKDSK_(DOS_command)/ac8yljw2">CHKDSK</a></li> <li><a href="/facts/CHOICE_(DOS_command)/UAYlvKCz">CHOICE</a></li> <li><a href="/facts/CLS_(DOS_command)/sXIFK8AY">CLS</a></li> <li><a href="/facts/COMMAND_(DOS_command)/06Sz5wle">COMMAND</a></li> <li><a href="/facts/COPY_(DOS_command)/lC4UI6yN">COPY</a></li> <li><a href="/facts/CTTY_(DOS_command)/d72UqhJ3">CTTY</a></li> <li><a href="/facts/DATE_(DOS_command)/LtoSMX4v">DATE</a></li> <li><a href="/facts/DEBUG_(DOS_command)/q9HoCNTs">DEBUG</a></li> <li><a href="/facts/DEL_(DOS_command)/8wLW0H0k">DEL</a></li> <li><a href="/facts/DIR_(DOS_command)/oosA54R0">DIR</a></li> <li><a href="/facts/DISKCOPY_(DOS_command)/3QJB8QEB">DISKCOPY</a></li> <li>DISP</li> <li><a href="/facts/ECHO_(DOS_command)/ue5jH01X">ECHO</a></li> <li>ECHONLF</li> <li><a href="/facts/ERASE_(DOS_command)/8wLW0H0k">ERASE</a></li> <li><a href="/facts/EXE2BIN_(DOS_command)/LJqyT6Cr">EXE2BIN</a></li> <li><a href="/facts/EXIT_(DOS_command)/uWcVMq12">EXIT</a></li> <li><a href="/facts/FDISK_(DOS_command)/S6hru6n4">FDISK</a></li> <li><a href="/facts/FIND_(DOS_command)/YVFoxeRQ">FIND</a></li> <li><a href="/facts/FOR_(DOS_command)/cwV2nRzp">FOR</a></li> <li><a href="/facts/FORMAT_(DOS_command)/Ws5EnQyQ">FORMAT</a></li> <li><a href="/facts/GOTO_(DOS_command)/V3bV9yVn">GOTO</a></li> <li><a href="/facts/HISTORY_(DOS_command)/W8m8CdFn">HISTORY</a></li> <li><a href="/facts/IF_(DOS_command)/8gDQTqUD">IF</a></li> <li><a href="/facts/JOIN_(DOS_command)/d72UqhJ3">JOIN</a></li> <li><a href="/facts/KEYB_(DOS_command)/d72UqhJ3">KEYB</a></li> <li><a href="/facts/LABEL_(DOS_command)/3s9IeoYD">LABEL</a></li> <li><a href="/facts/LOADFIX_(DOS_command)/d72UqhJ3">LOADFIX</a></li> <li><a href="/facts/MD_(DOS_command)/YI42PsYJ">MD</a></li> <li><a href="/facts/MEM_(DOS_command)/d72UqhJ3">MEM</a></li> <li><a href="/facts/MKDIR_(DOS_command)/YI42PsYJ">MKDIR</a></li> <li>MKZOMBIE</li> <li><a href="/facts/MODE_(DOS_command)/d72UqhJ3">MODE</a></li> <li><a href="/facts/MORE_(DOS_command)/emnMr8xz">MORE</a></li> <li><a href="/facts/NLSFUNC_(DOS_command)/d72UqhJ3">NLSFUNC</a></li> <li><a href="/facts/PATH_(DOS_command)/d72UqhJ3">PATH</a></li> <li><a href="/facts/PAUSE_(DOS_command)/d72UqhJ3">PAUSE</a></li> <li><a href="/facts/PRINT_(DOS_command)/XoxcBk4u">PRINT</a></li> <li><a href="/facts/PROMPT_(DOS_command)/R9JpGmXQ">PROMPT</a></li> <li><a href="/facts/RD_(DOS_command)/1dMYlg6C">RD</a></li> <li>RDZOMBIE</li> <li><a href="/facts/REM_(DOS_command)/Q8hHFq8h">REM</a></li> <li><a href="/facts/REN_(DOS_command)/qMNSpKv8">REN</a></li> <li><a href="/facts/RENAME_(DOS_command)/qMNSpKv8">RENAME</a></li> <li><a href="/facts/REPLACE_(DOS_command)/mDWt85UV">REPLACE</a></li> <li><a href="/facts/RMDIR_(DOS_command)/1dMYlg6C">RMDIR</a></li> <li><a href="/facts/SET_(DOS_command)/d72UqhJ3">SET</a></li> <li>SETDRV</li> <li><a href="/facts/SETVER_(DOS_command)/d72UqhJ3">SETVER</a></li> <li><a href="/facts/SHARE_(DOS_command)/uNdsI1PF">SHARE</a></li> <li><a href="/facts/SHIFT_(DOS_command)/d72UqhJ3">SHIFT</a></li> <li><a href="/facts/SORT_(DOS_command)/d72UqhJ3">SORT</a></li> <li><a href="/facts/SUBST_(DOS_command)/unG6UIxG">SUBST</a></li> <li><a href="/facts/SYS_(DOS_command)/8cnqBzkb">SYS</a></li> <li><a href="/facts/TIME_(DOS_command)/vnbkEU29">TIME</a></li> <li><a href="/facts/TREE_(DOS_command)/lgMTlIES">TREE</a></li> <li><a href="/facts/TYPE_(DOS_command)/qREHhkfg">TYPE</a></li> <li>UNINSTALL</li> <li><a href="/facts/VER_(DOS_command)/x3Pz6hw2">VER</a></li> <li><a href="/facts/VERIFY_(DOS_command)/d72UqhJ3">VERIFY</a></li> <li><a href="/facts/VOL_(DOS_command)/Im8LyqtX">VOL</a></li></ul> <h3>Exclusive commands</h3> <h4>UNINSTALL</h4> <p>This command is specific to PTS/DOS 2000.<a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a> Paragon's description is (quote) </p> <ul><li>Purpose: Restores the booting of a system installed before PTS-DOS on the disk and restores its the boot sector.</li> <li>Syntax: UNINSTALL filename [drive:]</li></ul> <h2 id="hardware-requirements">Hardware requirements</h2> <ul><li><a href="/facts/Intel_80286/rucEU93g">Intel 80286</a> CPU or better</li> <li>512 KB RAM or more</li></ul> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Comparison_of_DOS_operating_systems/9v9tabPK">Comparison of DOS operating systems</a></li> <li><a href="/facts/%25D0%2590%25D0%2594%25D0%259E%25D0%25A1/wgtfe0C2">АДОС</a>, unrelated to Russian MS-DOS</li> <li><a href="/facts/Russian_MS-DOS/MxzNIC7R">Russian MS-DOS</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://phystechsoft.ru/pts-dos">Official website</a></li> <li><a href="https://almnet.de/ptsdos/index.en.html">Unofficial PTS-DOS FAQ</a></li> <li><a href="https://www.paragon-software.com/">Paragon GmbH homepage</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"MS-DOS-Clone made in Russia". Computerwoche. 1994-05-06. Retrieved 2015-04-12. <a href="http://www.computerwoche.de/a/ms-dos-clone-made-in-russia,1121205" target="_blank">http://www.computerwoche.de/a/ms-dos-clone-made-in-russia,1121205</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Official PhysTechSoft site: About PhysTechSoft <a href="https://web.archive.org/web/20070417143032/http://www.phystechsoft.com/index.php?page=2" target="_blank">https://web.archive.org/web/20070417143032/http://www.phystechsoft.com/index.php?page=2</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Unofficial PTS-DOS FAQ in English <a href="http://www.almnet.de/ptsdos/ptsfaq.html#secII" target="_blank">http://www.almnet.de/ptsdos/ptsfaq.html#secII</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Unofficial PTS-DOS FAQ in English <a href="http://www.almnet.de/ptsdos/ptsfaq.html#secII" target="_blank">http://www.almnet.de/ptsdos/ptsfaq.html#secII</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Official PhysTechSoft site: About PhysTechSoft <a href="https://web.archive.org/web/20070417143032/http://www.phystechsoft.com/index.php?page=2" target="_blank">https://web.archive.org/web/20070417143032/http://www.phystechsoft.com/index.php?page=2</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Unofficial PTS-DOS FAQ in German <a href="http://www.almnet.de/ptsdos/ptsfaqd.html#absIV" target="_blank">http://www.almnet.de/ptsdos/ptsfaqd.html#absIV</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Unofficial PTS-DOS FAQ in German <a href="http://www.almnet.de/ptsdos/ptsfaqd.html#absIV" target="_blank">http://www.almnet.de/ptsdos/ptsfaqd.html#absIV</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Unofficial PTS-DOS FAQ in German <a href="http://www.almnet.de/ptsdos/ptsfaqd.html#absIV" target="_blank">http://www.almnet.de/ptsdos/ptsfaqd.html#absIV</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Official PhysTechSoft site: Operating System PTS-DOS 2000 <a href="http://phystechsoft.ru/pts-dos" target="_blank">http://phystechsoft.ru/pts-dos</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>"PTS-DOS 2000 Pro User Manual" (PDF). Buggingen, Germany: Paragon Technology GmbH. 1999. Archived (PDF) from the original on 2018-05-12. Retrieved 2018-05-12. <a href="http://download.paragon-software.com/doc/manual_dos_eng.pdf" target="_blank">http://download.paragon-software.com/doc/manual_dos_eng.pdf</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>"PTS DOS 2000 Pro User Manual" (PDF). <a href="http://download.paragon-software.com/doc/manual_dos_eng.pdf" target="_blank">http://download.paragon-software.com/doc/manual_dos_eng.pdf</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> </ol>