**Backup**
<code>
cp -ar cvs cvs
</code>
**To SVN**
<code>
cvs2svn -s svn cvs
</code>
**Dumb**
<code>
svnadmin dump svn > svn.dump
</code>
**To bzr**
<code>
svn2bzr svn2bzr --scheme=trunk svn.dump bzr
</code>