cp /root/4.1-linux-headers .
nano 4.1-linux-headers 
ls -l
chmod u+x 4.1-linux-headers 
./4.1-linux-headers 
rm 4.1-linux-headers 
/root/4.1-linux-headers 
/root/4.1-linux-headers 
ls /gllfsc/build/
/root/4.1-linux-headers 
