www.pudn.com > LFYOS.zip > bak

cd /dos_c/os/os 
make clean 
cd ../linux_test 
rm -f *.o a.out 
cd .. 
LINE=`cat \`find os -type f -print\`|wc -l` 
tar -cvf os.tar bak linux_test os  
cd os 
make 
cd .. 
 
echo total source code lines[$LINE ]