What is SVN and how can i use it?

Hi comunity

as said in subjet: What is SVN and how can i use it?

Ive seen project like http://code.google.com/p/mobileframeworks/ and others, Ive downloaded svnX for Mac, but I dont know what to do with it.

greetings ascorbin

well if you’d only like to download the sourcecode, just open a terminal (you are on OSX, right?) and paste the copied url for Command-Line Access (http://code.google.com/p/mobileframewor-…-e/checkout). Enter/Return. This downloads the actual trunk in your actual working directory (in a new terminal window this usually means your home directory).
What is SVN:
http://en.wikipedia.org/wiki/Subversion-(software (sorry, but it seems that brackets are not allowed in urls)
and how can I use it
Sorry for this linkcollection, but I guess these answer your question best! i heard the online svn book is a great intoductory to version control in general and is on my list too!