Ubuntu uClinux with DE0-Nano

Hi,

I wants to work with DE0-Nano under uclinux, for this i executed the

following command in terminal, but in my terminal it doesnt show anything,and onemore thing

i executed this command so many times,but no output.Where is the mistake ,plz any help.

svn co http://www.ccm.ece.vt.edu/usvn/svn/alteraapps/trunk/uclinux/

Thanks,

Alex.