Apache SVN is an open-source software application used for version control. The abbreviation for Apache SVN is Apache Subversion, which is a free version control system used for the management of files and directories that are located in a central repository. It is designed as an alternative to CVS. It also permits the users to know the details of code modification and to regain the older code versions. The commonly used Apache SVN commands are checkout, add, propset, delete, status, update/up, commit/ci, diff and move.