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Internet Explorer for UNIX was a proprietary graphical web browser that was available free of charge and produced by Microsoft for use in the X Window System on Solaris or HP-UX. Development ended with a version of Internet Explorer 5 in 2001 and support for it was completely discontinued in 2002. ==Development history== In May 1996, it was reported that Steven Guggenheimer confirmed that they were looking into porting Internet Explorer to run on UNIX-like platforms, but were looking into how exactly it should be done.〔(Microsoft leans toward a Unix platform version of its Internet Explorer browser ) - Dana Gardner writing for InfoWorld Electric (May 29, 1996)〕 It was further reported that Steve Ballmer, then executive vice president of Microsoft, had shown an interest earlier in the month for a Microsoft browser to run on Unix as part of the strategy to wage the browser wars: In pursuit of a larger share of the mammoth browser market, Microsoft has been dealing with PC and workstation makers to have its IE browser bundled with newly shipping hardware. Ballmer hinted, however, that not having a Unix browser was posing an obstacle to this OEM-based strategy to try and catch up with No. 1 browser maker Netscape Communications Corp., which holds some 85 percent of the worldwide browser market with its Navigator product line. "We might just have to get one of those", Ballmer said of a Unix-based browser.〔 In June, Microsoft entered into a contract with Bristol Technology to develop a version of Bristol's porting application (Wind/U (archived) ) to port IE for Windows to Unix.〔(Bristol Technology v. Microsoft ) - ruling by Janet C. Hall, Connecticut District Court judge (November 3, 2000)〕 At this time Bristol also had a contract with Microsoft allowing it access to Windows source code from September 1994 to September 1997.〔〔(Tech Law Journal: Bristol Technology v. Microsoft ) - article from Tech Law Journal (February 21, 2001)〕 The project was officially announced by Microsoft at the end of July 1996 that a native version of IE for "Solaris and other popular variants of UNIX" would be finished by the end of the year, which would have "equivalent functionality as that provided in Microsoft Internet Explorer 3.0", thus "delivering on its commitment to provide full-featured Web browser support on all major operating system platforms" as well as "supporting and promoting open standards, including HTML, ActiveX and Java".〔(Best-of-Breed Browsers for Multiple Platforms ) - press release from Microsoft (July 29, 1996)〕 However, following a dispute in March 1997 concerning each other's performance and because of contract negotiations with Bristol to access Windows source code after September 1997 failing,〔as previously〕〔(Microsoft Files Opposition to Bristol's Motion for Preliminary Injunction ) - article from Tech Law Journal (September 30, 1998)〕 Microsoft reversed course and decided to directly port the Windows version in-house using the (MainWin ) XDE (eXtended Development Environment) application from Mainsoft,〔(Microsoft launches Internet Explorer on Unix ) - press release from Mainsoft (March 4, 1998)〕 the main competitor to Bristol Technology.〔 (Microsoft would later also use MainWin to port Windows Media Player and Outlook Express to Unix.〔(Microsoft to port Internet Explorer technologies to Unix ) - press release from Mainsoft (August 14, 2000)〕) Now well behind schedule, the 3.0 branch was apparently scrapped in favor of 4.0 (that was released for Windows half a year earlier), which used the new Trident rendering engine. A beta of the Solaris version was made available on November 5, 1997,〔(Microsoft's Internet Explorer 4.0 for Solaris ) ((Screenshot )) - Robert McMillan writing for SunWorld (November 5, 1997)〕 with a final version expected by March 1998. Tod Nielsen, general manager of Microsoft's developer relations group, jokingly declared that he wanted to hold the launch of the browser at the Ripley's Believe It or Not museum in San Francisco due to the skepticism by those who believed the project was vaporware.〔(Microsoft says Unix browser is on schedule ) - Bob Trott writing for InfoWorld Electric (January 27, 1998)〕 It was further reported that versions for HP-UX, IBM AIX, and Irix were planned〔 (note that at the time MainWin XDE 3.0 was only available for the "Solaris SPARC 2.51 platform", but MainWin XDE 2.1 was "available on Solaris SPARC 2.51, Solaris Intel 5.5.1, SunOS 4.1.4, Irix 5.3, Irix 6.2, HP UX 10.2 and IBM AIX 4.1.5".)〔 IE 4.0 for Unix on Solaris was released on March 4, 1998.〔 Later that year a version for HP-UX was released. * March 5, 1998: Microsoft reached a settlement with Bristol which "provided mutual releases for any claims arising out of the IE Agreement".〔 * 1999 IE 5.0 for Unix on Solaris and HP-UX released. * 2001 IE 5.0 for Unix Service Pack 1 released for Solaris and HP-UX. 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「Internet Explorer for UNIX」の詳細全文を読む スポンサード リンク
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