working with svn

http://svnbook.red-bean.com/

to get a previous committed version :
1.
svn list -v
#to list the files and see versions
2.
update -r [VERSION_NUM]
#where istead of [VERSION_NUM] comes the desired version number

svn commit
svn add
svn delete

use tortoisesvn under windows
use subversion under fedora linux