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Mercurial is a cross-platform, distributed revision control tool for software developers. It is mainly implemented using the Python programming language, but includes a binary diff implementation written in C. It is supported on MS Windows and Unix-like systems, such as FreeBSD, Mac OS X and Linux. Mercurial is primarily a command line program but graphical user interface extensions are available. All of Mercurial's operations are invoked as arguments to its driver program hg, a reference to the chemical symbol of the element mercury.Mercurial's major design goals include high performance and scalability, decentralized, fully distributed collaborative development, robust handling of both plain text and binary files, and advanced branching and merging capabilities, while remaining conceptually simple.〔.〕 It includes an integrated web interface. Mercurial has also taken steps to ease the transition for users of other version control systems, particularly Subversion. The creator and lead developer of Mercurial is Matt Mackall. Mercurial is released as free software under the terms of the GNU GPL v2 (or any later version〔.〕). == History == Mackall first announced Mercurial on 19 April 2005. The impetus for this was the announcement earlier that month by Bitmover that they were withdrawing the free version of BitKeeper. BitKeeper had been used for the version control requirements of the Linux kernel project. Mackall decided to write a distributed version control system as a replacement for use with the Linux kernel. This project started a few days after another project called Git, initiated by Linus Torvalds with similar aims. The Linux kernel project decided to use Git rather than Mercurial, but Mercurial is now used by many other projects (see below). "Git vs. Mercurial" has become one of the holy wars of hacker culture.〔(【引用サイトリンク】title=Managing source code with Mercurial )〕 In an answer on the Mercurial mailing list, Matt Mackall explained how the name "Mercurial" was chosen: In 2013, Facebook adopted Mercurial and began work on scaling it to handle their large, unified code repository. 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「Mercurial」の詳細全文を読む スポンサード リンク
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