noun
version control system
Computing term for software that tracks and manages changes to files, such as Git or Subversion.
Gitは代表的なバージョン管理システムの一つです。
Git is one of the representative version control systems.
Refers to version control in general, while バージョン管理システム specifically means the software system that implements it.
Compound of バージョン (version), 管理 (management), and システム (system).