mkdir kernel 
cd kernel
wget http://kernel.org/pub/software/scm/git/git-core-0.99.7.tar.bz2
tar -xvjf git-core-0.99.7.tar.bz2 
cd git-core-0.99.7 
make install
cd ..
git clone rsync://www.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git linux
cd linux
git checkout