Important Topics for Test One
               -----------------------------

classes covering                area
----------------       --------------------------------------------------------------------------

 2-4 and 13-14          fork, exec, exit, wait - properly running another program in a subprocess

     5-6                C strings - working with them, the few most important standard functions

     7-8                malloc, free, constructing and using data structures

     9-10               C input and output - important features of <stdio.h>

    10-14               unix input and output

    13-14               communication between processes