Update page 'Home'

Home.md

@@ -8,6 +8,8 @@ Tools you should have ready:
 * A github account signed up with that gtsplab.com address
 * Your GOGS account
 
+Windows users must use Powershell for command-line tasks.  MacOS users can use Terminal.app, but I recommend using Iterm2 instead purely for performance reasons.  Linux users are going to do whatever they want and that's fine.
+
 Day 1-2 reading: 
 
 Python language reference chapter 1: https://docs.python.org/3/reference/introduction.html