svn checkout :
svn co through putty:
svn co svnurl .
(. if current directory)
svn co svnurl foldername
svn commit :
svn ci file-name -m "message"
svn update :
To delete a directory permanent having content :
rm -rf dir_name
To delete all svn files from a folder :
find . -name '.svn' -print0 | xargs -0 rm -rf
Permissions to file (All permission) :
sudo chmod -R 777 . (for giving permission to a full directory)
sudo chmod -R 777 file_name (for giving permission to file)