3. What is the difference between CVS and CVSNT?

CVSNT is the Windows OS version of cvs.

From a SCM perpective, they share similarity in purpose,
commands including syntax and functionality.

Both are freeware.

Installation is a breeze for anyone who has a working
knowledge of *NIX and Windows.

Both can be accessed through clients.

Yes, I know i was asked for differences.

I answered with a view to help out any desperately seeking
hu SAN who landed here.

4. What is CVS?

CVS is a version control system. Using it, you can record
the history of your source files.