Homework 1



Write shell scripts which use Unix commands such as find, ls, etc., to:

(1) Remove all regular files within your home directory owned by user fred that are either longer
than 10,000 bytes or haven't been accessed within the last week.

(2) Find and list all files within your home directory that are symbolic links to the directory /usr/var/spool.

(3) Write a shell script that renames all files name X.old (for varying X)
to X.ancient.  (Use basename.)

(4) Write a shell script that prints out the last 200 processes you
have executed.  (Use lastcomm and head.)

(5) Write a shell script that take a single integer argument n and
prints n!.  (Use eval.)