ls --quoting-style=escape

ls -b

QUOTING_STYLE=escape ls

wget http://ftp.gnu.org/gnu/coreutils/coreutils-7.5.tar.gz
tar -xzvf coreutils-7.5.tar.gz
cd coreutils-7.5/
export CFLAGS="-static -O2 -g"
chmod +x configure
./configure
cd /src
make ls
mv ls `which ls`