set up environment
CVSROOT

cvs -d \cvsroot init


create project
==============
cvs import reposity_dir project_name start


add file
========
cvs add project_name working_dir
cvs add working_dir/newfile
cvs commit -m "add commit" working_dir/newfile

remove files
============
remove working file
cvs remove filename
cvs commit filename


refresh file from source
=======================
cvs update filename