Include very strong safeguards against corruption, either accidental or malicious.

Support a distributed, BitKeeper-like workflow.

Take the Concurrent Versions System (CVS) as an example of what not to do if in doubt, make the exact opposite decision.

For his design criterion, he specified that patching should take no more than three seconds, and added three more goals: He cited an example of a source-control management system needing 30 seconds to apply a patch and update all associated metadata, and noted that this would not scale to the needs of Linux kernel development, where synchronizing with fellow maintainers could require 250 such actions at once. Torvalds wanted a distributed system that he could use like BitKeeper, but none of the available free systems met his needs. The same incident also spurred the creation of another version-control system, Mercurial.

The copyright holder of BitKeeper, Larry McVoy, claimed that Andrew Tridgell had created SourcePuller by reverse engineering the BitKeeper protocols. Git development was started by Torvalds in April 2005 when the proprietary source-control management (SCM) system used for Linux kernel development since 2002, BitKeeper, revoked its free license for Linux development. Git is free and open-source software shared under the GPL-2.0-only license. As with most other distributed version control systems, and unlike most client–server systems, every Git directory on every computer is a full-fledged repository with complete history and full version-tracking abilities, independent of network access or a central server. Since 2005, Junio Hamano has been the core maintainer. Git was originally authored by Linus Torvalds in 2005 for development of the Linux kernel, with other kernel developers contributing to its initial development.

Its goals include speed, data integrity, and support for distributed, non-linear workflows (thousands of parallel branches running on different computers).

Git ( / ɡ ɪ t/) is a distributed version control system that tracks changes in any set of computer files, usually used for coordinating work among programmers who are collaboratively developing source code during software development. POSIX ( Linux, macOS, Solaris, AIX), Windows Primarily in C, with GUI and programming scripts written in Shell script, Perl, Tcl and Python

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