CVS - Concurrent Versions System - is an open-source version control system
Perforce is a commercial, proprietary, centralized revision control system.
The company i worked for at the time switched from the free cvs it was using to perforce gui is flashier
What are the advantages to Perforce?
Since perforce is less commonly used compared to cvs svn amongst bamboo users we generally get less feedback about it and hear less about existing issues
Thoughtworks go vs atlassian bamboo