Introduction:
=============

The shell allows for executing commands by forking a child and running the
command within the child process. It has the following salient features:
	- handles input lines of indefinite length
	- cd to any directory; cd ..; cd -; cd
	- pushd, popd, dirs as in bash
	- path +/- <PATH>; path

Compilation Steps:
================

make

References:
==========
1. Trim leading and trailing whitespace from a string:
	http://stackoverflow.com/questions/122616/