to use in a team environment when many are “touching” a project. ➤ VC helps to nail down issues that may have risen due to changes you or another team member made, and tracks productivity. ➤ It also allows you to roll back to a previous version if something went terribly wrong! ➤ Github is a popular platform for keeping repositories of code. Bitbucket is also popular. ➤ Some developers use command line to interface with GIT (a versions control system), others use a GUI.