Editing PDP-7 (section)

==Restorations==
At least four PDP-7s were confirmed to still exist as of 2011<ref name=SOEM/> and a fifth was discovered in 2017.<ref name=Yerian/>

A PDP-7A (serial number 115) was under restoration in [[Oslo]], Norway;<ref>{{cite web|url=https://heim.ifi.uio.no/~toresbe/dec |title=Picture album of PDP-7 restoration project |access-date=June 24, 2005 |url-status=dead |archive-url=https://web.archive.org/web/20120715211948/https://heim.ifi.uio.no/~toresbe/dec/pdp7/agi/ |archive-date=July 15, 2012 }} PDP-7 restoration project located in Oslo, Norway.</ref> a second PDP-7A (serial number 113) previously located at the [[University of Oregon]] in its Nuclear Physics laboratory is now at the [[Living Computer Museum]] in Seattle, Washington and is completely restored to running condition after being disassembled for transport;<ref>{{cite web|url=https://www.cs.uoregon.edu/Activities/talks/20110113-Lefevre.php |title=Colloquium Details - The University's 40 year old PDP-7 computer is alive again in Seattle|access-date=March 2, 2011 |url-status=dead |archive-url=https://web.archive.org/web/20120314021733/http://www.cs.uoregon.edu/Activities/talks/20110113-Lefevre.php |archive-date=March 14, 2012 }} University of Oregon's PDP-7 moves to the Living Computer Museum in Seattle, Washington. Alternate host at https://www.soemtron.org/pdp7no113systeminfo.html "January 2011" section.</ref> Another PDP-7 (serial number 47) is known to be in the collection of Max Burnet near Sydney, Australia, a fourth PDP-7 (serial number 33) is in storage at the [[Computer History Museum]]  in Mountain View, California  and a fifth PDP-7 (serial number 129) belonging to Fred Yerian is also located at the Museum, and has been demonstrated running Unix version 0 and compiling a [[B (programming language)|B program]].<ref name=Yerian>{{cite web|url=https://livingcomputers.org/Blog/Restoring-UNIX-v0-on-a-PDP-7-A-look-behind-the-sce.aspx |title=Restoring UNIX v0 on a PDP-7: A look behind the scenes|access-date=November 18, 2019 }}</ref>