How to turnin project3!
1- Go to your nachos-3.3 directory.
2- Turn in your "code" directory by typing "turnin PROJECT3@cs170-1 code".
You can turnin up to 3 times per project and not more than that!
The earlier versions will be discarded.
You should also provide information in your project writeup on what files have been modified or added
and describe how you extend the existing functions or design new functions.
For the program you have modified, you should insert the following lines
in your code so TAs can read:
//HW3 Begin of Modification
//HW3 End of Modification