======SYSPROG PROJECT: Writing Unix Tools (wut0)======

=====OBJECTIVE=====
To apply your burgeoning sysprog skills in the writing of familiar UNIX tools.

=====PROGRAM=====
It is your task to implement a simple (core functionality, don't worry about the plethora of command-line arguments available in the regular tools) version of one of the following tools:

  * **last**
  * **head**
  * **tail**

=====EXPANDED FUNCTIONALITY=====
If you'd like to implement a few additional features (ie via command-line arguments) you can check out **getopt(3)**, which is what the tools on the system use to parse arguments.

=====SUBMISSION=====
Your standard submission logic applies:

<cli>
lab46:~/src/sysprog/wut#$ submit sysprog wut# tool.c
...
</cli>