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Line 1: '''SHARE Inc.''' is a volunteer-run user group for [[IBM]] [[mainframe computer]]s that was founded in 1955 by [[Los Angeles]]-area [[IBM 701]] users. It evolved into a forum for exchanging technical information about [[programming language]]s, [[operating system]]s, [[database system]]s, and user experiences for enterprise users of small, medium, and large-scale [[IBM computer]]s such as [[System/360\|IBM S/360]], [[System/370\|IBM S/370]], [[zSeries]], [[pSeries]], and [[IBM System x\|x]]Series. A major resource of SHARE from the beginning was the SHARE library. Originally, IBM's distributed its operating systems ~~were distributed~~ in source form<ref>{{cite web \|url=http://www.princeton.edu/~melinda/25paper.pdf \|archiveurl=http://web.archive.org/web/20060513145315/http://www.princeton.edu/~melinda/25paper.pdf \|archivedate=May 13, 2006 \|title=VM and the VM Community: Past, Present, and Future \|first=Melinda \|last=Varian \|publisher=Princeton University \|date=August 1997\|page=54}}</ref><ref>{{cite web \|url=http://www2.marist.edu/~vmshare/browse?fn=OCO:BDAY&ft=MEMO&args=KEYS#hit \|title=MEMO OCO:BDAY - Today is OCO's tenth birthday \|date=February 8, 1993}} </ref><ref> [http://www.cozx.com/~dpitts/ibm7090.html Dave Pitts' IBM 7090/7094 Page] – An example of distributed source: Page contains a link to [[IBM 7090/94 IBSYS]] source, including COBOL and FORTRAN compilers. </ref> ~~</ref>~~ and ~~it was common for~~ [[systems programming\|systems programmers]] tocommonly ~~make~~made small local additions or modifications and ~~to exchange~~exchanged them with other users. The SHARE library and the process of distributed development it fostered was one of the major origins of [[open source]] software.<ref>{{cite web \|url=http://www.soa-pipeline.com/news/169400167 \|archiveurl=http://web.archive.org/web/20060324140930/http://www.soa-pipeline.com/news/169400167 \|archivedate=March 24, 2006 \|title=SHARE, IBM User Group, To Celebrate 50th Anniversary \|first=David \|last=Gardner \|publisher=TechWeb News \|date=August 17, 2005}}</ref> SHARE ~~was~~ later incorporated as a non-profit corporation based in [[Chicago, Illinois]] and is{{as ~~currently~~of \| 2013 \| lc = on}} is located at 330 N. Wabash Ave. The organization produces a newsletter and conducts two major educational meetings per year. In September 1999, [[GUIDE International]], the other major IBM mainframe users group, ceased operation. Although SHARE did not formally take over GUIDE, many of the activities and projects that were undertaken under the aegis of GUIDE moved to SHARE, and GUIDE suggested to its members that they join SHARE. In August 2000, SHARE took over the guide.org domain name. Today, SHARE's membership of 20,000 represents some 2,300 enterprise IBM customers.<ref>{{cite news \|url=http://www.computerworld.com/hardwaretopics/hardware/mainframes/story/0,10801,100119,00.html \|title=Share user group looks back at 50 years with buttons, ditties \|publisher=Computerworld \|first=Patrick \|last=Thibodeau \|date=March 2, 2005}} </ref> ==See also==

SHARE (computing): Difference between revisions