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WorldWideWeb (later renamed to Nexus to avoid confusion between the software and the World Wide Web) is the first web browser and editor;〔 and now discontinued. When it was written, WorldWideWeb was the only way to view the Web.〔 The source code was released into the public domain on April 30, 1993.〔(【引用サイトリンク】url=http://cds.cern.ch/record/1164399 )〕〔 Some of the code still resides on Tim Berners-Lee's NeXT Computer in the CERN museum and has not been recovered due to the computer's status as a historical artifact. To coincide with the 20th anniversary of the research centre giving the web to the world, a project has begun in 2013 at CERN to preserve this original hardware and software associated with the birth of the web. ==History== Berners-Lee wrote what would become known as WorldWideWeb on a NeXT Computer〔 〕 during the second half of 1990, while working for CERN. The first successful build was completed by December 25, 1990, after only two months of development. Successive builds circulated among Berners-Lee's colleagues at CERN before being released to the public, by way of Internet newsgroups, in August 1991.〔 By this time, several others, including Bernd Pollermann, Robert Cailliau, Jean-François Groff, and graduate student Nicola Pellow – who wrote the Line Mode Browser – were involved in the project.〔 Berners-Lee proposed different names for his new application: ''The Mine of Information'' and ''The Information Mesh'' were proposals. At the end ''WorldWideWeb'' was chosen,〔(【引用サイトリンク】url=http://info.cern.ch/ )〕 but later renamed to ''Nexus'' to avoid confusion between the World Wide Web and the web browser.〔 The team created so called "passive browsers" which do not have the ability to edit because it was hard to port this feature from the NeXT system to other operating systems. Porting to the X Window System (X) was not possible as nobody on the team had experience with X.〔 Berners-Lee and Groff later adapted many of WorldWideWeb's components into a C programming language version, creating the libwww API. A number of early browsers appeared, notably ViolaWWW. They were all eclipsed by Mosaic in terms of popularity, which by 1993 had replaced the WorldWideWeb program. Those involved in its creation had moved on to other tasks, such as defining standards and guidelines for the further development of the World Wide Web (e.g. HTML, various communication protocols). On April 30, 1993, the CERN directorate released the source code of WorldWideWeb into the public domain. Several versions of the software are still available to download from (evolt.org's browser archive ). Berners-Lee initially considered releasing it under the GNU General Public License, but eventually opted for public domain to maximize corporate support.〔(【引用サイトリンク】title=History of Libwww )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「WorldWideWeb」の詳細全文を読む スポンサード リンク
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