Lab 18

1. Write a shell script that will list out the the directories in your PATH environment variable. List each directory on a line.
2. example
   

   $ echo $PATH
   /usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/home/kochis/bin
   

   If this is my path then I want the script to yield:
3. 
   

   $./s18
   /usr/local/bin
   /bin
   /usr/bin
   /usr/X11R6/bin
   /home/kochis/bin