Editing Jerry Saltzer (section)

==Software==
Saltzer has been the programmer, a designer, or the inspiration, for a number of important pieces of systems software, which are either still in use or have descendants still being used today:
* [[RUNOFF]], a very early text-formatting program which was the basis for [[roff (computer program)|roff]] and [[nroff]]<ref name="JHS-CV-MIT">{{cite web |last1=Saltzer |first1=Jerome H. |title=Curriculum Vitae |url=http://web.mit.edu/Saltzer/www/vita.html |website=[[Massachusetts Institute of Technology|MIT]]}}</ref>
* [[TYPSET]], the "[[Project MAC]] editor", was the first interactive text editor, developed to write documentation<ref name="misdocumentos">[https://web.archive.org/web/20070516130245/http://misdocumentos.net/wiki/mainframes/univac/ed/historia History of UNIVAC's ED processor (ED-1100)]</ref> 
* PCIP,<ref name="S-C-R-G-PCIP">{{cite journal |last1=SALTZER |first1=JEROME H. |last2=CLARK |first2=DAVID D. |last3=ROMKEY |first3=JOHN L. |last4=GRAMLICH |first4=WAYNE C. |author-link1=Jerry Saltzer |author-link2=David D. Clark |author-link3=John Romkey |title=The Desktop Computer as a Network Participant |journal=Journal on Selected Areas in Communications |date=May 1985 |volume=SAC-3 |issue=3 |pages=468–478 |url=http://www.rfc-editor.org/in-notes/museum/tcp-ip-digest/tcp-ip-digest.v2n17.1 |publisher=IEEE |doi=10.1109/JSAC.1985.1146219 |quote=The desktop computer was the IBM Personal Computer attached to one of several local area networks: Ethernet, PRONET, and an RS-232 asynchronous serial line network. The collection of programs is known as PCIP.|url-access=subscription }}</ref><ref name="Aboba-PCIP-Romkey">{{cite web |last1=Aboba |first1=Bernard Aboba |title=How PC-IP Came to Be, as told by, John Romkey |url=http://aboba.drizzlehosting.com/internaut/pc-ip.html |website=Internaut: an online supplement to "The Online User's Encyclopedia'" |access-date=19 September 2020 |archive-url=https://web.archive.org/web/20110807173518/http://aboba.drizzlehosting.com/internaut/pc-ip.html |archive-date=7 August 2011 |date=1993-12-18 |quote=My involvement with PC-IP began when I was a freshman at MIT in 1981, and I needed a job to pay my tuition. I had used the ARPNET a little bit, and there was an advertisement for a job with Dave Clark and Jerry Saltzer at the Lab for Computer Science (LCS). I interviewed for the job and got it. They were working on a research project to see if TCP/IP could run on something as small as an IBM PC.... While I was at Epilogue, we created an Internet Toaster for Interop in 1990.}}</ref> the first TCP/IP stack for the IBM PC, which became the basis for a company called [[FTP Software]]<ref name="JHS-CV-MIT" />
* [[Kerberos (protocol)|Kerberos]], an authentication protocol, part of [[Project Athena]], still widely used today

As Technical Director of Project Athena, he supported development of the [[X Window System]], an [[open-source software|open-source]] windowing system, still used and developed on [[Unix-like]] systems.