backup subfolders

#create directory path
mkdir –p temp/a/b/c

#copy (update) files in path
cp –ufrp src dest
#update only, forcefully, recursive, preserve permission

#compare two directories
diff –rq abc def
#recursive, quick (file names only)

#subversion release
svn copy –r 797 svn://abc/trunk/def svn://abc/tags/def_r797 –m “release beta 5”