Source Control Comparison

Checking out a tag'd repo
CVS $ cvs co -r tagname module/folder

Cat'ing a file in the repository
SVN svn cat -r459 http://svn.host.com/file

Adding a directory to a repository without downloading the entire module
SVN svn import dir1/dir2 https://svn.host.com/repo/module

Commiting things directly to the repository
SVN