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"Shared source" is an umbrella term covering some of Microsoft's legal mechanisms for software source code distribution. Microsoft's Shared Source Initiative, launched in May 2001,〔(Geekzone: Microsoft announces expansion of Shared Source Initiative )〕 includes a spectrum of technologies and licenses. Most of its source code offerings are available for download after eligibility criteria are met. The licenses associated with the offerings range from being closed-source,〔(【引用サイトリンク】 url = http://www.scienceinafrica.com/open-vs-closed-source-software )〕〔(【引用サイトリンク】 publisher=ZDNet )〕 allowing only viewing of the code for reference, to allowing it to be modified and redistributed for both commercial and non-commercial purposes. == Overview == Shared source programs allow individuals and organizations to access Microsoft's source code for reference (e.g. when developing complementary systems), for review and auditing from a security perspective (mostly wanted by some large corporations and governments), and for development (academic institutions, OEMs, individual developers). As part of the framework, Microsoft released 5 licenses for general use. Two of them, Microsoft Public License and Microsoft Reciprocal License, have been approved by the Open Source Initiative as open source licenses〔(Ms-PL )〕〔(Ms-RL )〕 and are regarded by the Free Software Foundation as free software licenses. Other shared source licenses are proprietary, and thus allow the copyright holder to retain tighter control over the use of their product. Microsoft's Shared Source Initiative has been imitated by other companies such as RISC OS Open Ltd.〔(RISC OS Open )〕 Microsoft also uses specific licenses for some of their products, for example the Shared Source CLI License and the Microsoft Windows Embedded CE 6.0 Shared Source License.〔(Microsoft Windows Embedded CE 6.0 Shared Source License Terms (“License”) )〕 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「Shared source」の詳細全文を読む スポンサード リンク
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