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Version control (also known as revision control, source control, and source code management) is the software engineering practice of controlling, organizing, and tracking different versions in history of computer files; primarily source code text files, but generally any type of file.
Source Code Control System (SCCS) [open, shared] – part of UNIX; based on interleaved deltas, can construct versions as arbitrary sets of revisions; extracting an arbitrary version takes essentially the same time and is thus more useful in environments that rely heavily on branching and merging with multiple "current" and identical versions
Today, these early version control systems are generally considered obsolete, particularly in the open-source community, which has largely embraced distributed version control systems. However, the SCCS file format is still used internally by a few newer version control programs, including BitKeeper and TeamWare. The latter is a frontend to SCCS.
Git was originally created by Linus Torvalds for version control during the development of the Linux kernel. [14] The trademark "Git" is registered by the Software Freedom Conservancy, marking its official recognition and continued evolution in the open-source community. Today, Git is the de facto standard version control system.
Software versioning is the process of assigning either unique version names or unique version numbers to unique states of computer software. Within a given version number category (e.g., major or minor), these numbers are generally assigned in increasing order and correspond to new developments in the software.
PVCS Version Manager (originally named Polytron Version Control System) is a software package by Serena Software Inc., for version control of source code files. PVCS follows the "locking" approach to concurrency control; it has no merge operator built-in (but does, nonetheless, have a separate merge command). However PVCS can also be configured ...
Clients can also compare versions, request a complete history of changes, or check out a historical snapshot of the project (e.g.: based on a given date). If the check-in operation succeeds, then the version numbers of all files involved automatically increment, and the server writes a user-supplied description line, the date and the author's ...
1970s: Lisle, Illinois-based Pansophic Systems offered PANVALET, which was an early source code control system for the mainframe market. [4] 1975: Professor Pressor's work eventually grew into a commercially available product called Change and Configuration Control (CCC) which was sold by the SoftTool corporation.