In this section we are going to discuss jobs that may depend on
other jobs. In order to concoct such jobs we are going to
begin by writing a very, very, very simple UNIX program that
reads a file in chunks of various sizes and counts number of
bytes in it. Then we are going to use it, together with
mkrandfile in PBS scripts.
Another reason for writing the program first is to give you an opportunity to exercise your UNIX and C programming skills some more.