Well done @Pravin Barton !!  Thank you for getting this out the door.

I want to note for our readers that the new Community Edition download in Evaluation is intended to replace our long-standing download.InterSystems.com application.  So I would encourage all users of the Download application to give this new feature of Evaluation a try and let us know if you have any issues.  We intend to retire Download by the end of the year.  

You should not attempt to move the \mgr\CACHE.DAT as that is Caché CACHELIB core library code.

You need to identify the databases holding your custom code and data and those are the .DATs of interest to you.  Presumably you have your application in a different namespace?  Look at the the location for the routine and data databases in the Management Portal for that Namespace and start there. 

That being said - I am not sure if we support a rename of CACHE.DAT to IRIS.DAT - hopefully someone else can address that question 

@Michael Pine - I understand that frustration from when I was new and I think the biggest contributing factor (for me) to that frustration was a lack of resources for quickly finding code samples or getting my questions answered.  I think that the D.C. has started to fill in this hole for people, and the more we all use it to share ObjectScript Q&As, best practices and Tips & Tricks, the more we will lower that frustration for ourselves and for others coming to the language :)  So glad to have you as part of the Community!

This is pretty exciting work that InterSystems AppServices is thrilled to be involved with.  I hope that over time the Git/GitLab work can provide a great solution for customers looking for an easy way to add source control and environment-based change promotion to some of their existing processes.  We look forward to feedback from the Community.  Thank you for your work on this @Timothy Leavitt and team :)