Both Bitcoin Core and Bitcoin Knots are Bitcoin, the latter just has a few changes to deal with what it would call “spam” on on the blockchain. Here’s a very pro-Knots search result I found so you can get a feel for their point of view.
Whichever you run on StartOS, it’ll be fine and everything will work.
As Gloriana stated, because they’re both essentially the same thing, and people would like to substitute one for the other while keeping everything else working, we need to build a feature into StartOS that allows for almost identical packages to be switch to and from without affecting the rest of the dependency stack. While we work on that, Knots needs to be available, so they need to share a name to keep everything else working.
We’ve tried to build in a couple of features to warn and stop people from changing by accident, but if someone pushed through with a change, then it takes place.
If you did change by accident, there’s no need to uninstall, reindex or do anything so extreme. Just switch back: Installing Bitcoin Knots - #5 by StuPleb