Write a program to alphabetically merge the three word list files
(american0.txt, american1.txt, and american2.txt). The output must
be a file called words.txt and the output must be alphabetically
sorted.
Note that you CAN cheat by using Linux commands to do this. However,
a single C program must implement your process regardless.
"man 3 system" and "man cat" - As Foghorn Leghorn might say "That's
a hint son."
You might also want to review
http://rmarsh.cs.und.edu/CLASS/CS230/HANDOUTS/unix-commands.txt
REQUIREMENTS:
-------------
1. Your program must run on Linux Mint.
2. Your full name must appear as a comment at the beginning of your
program.
3. Your source code must be named hw2-yourname.c
