Usually I use CVS for version control but in the last few months I have started using SVN.   In windows most user’s use SVN Tortoise because it works well with OS but I prefer to have it integrated with my IDE.    Below is a link to an IBM article which explains in detail how to setup SVN:

http://www-128.ibm.com/developerworks/opensource/library/os-ecl-subversion/

Here is a more recent update link for SVN:

http://subclipse.tigris.org/update_1.2.x

Troy