1. Update ports tree sudo port selfupdate
2. List all ports port list
3. Search for a port port search xxx
4. Info on a port port info xxx
5. Install port with port install xxx
6. Show outdated ports port outdated
7. Upgrade all your existing ports sudo port upgrade outdated
8. Upgrade one port sudo port upgrade xxx

You can install GTK apps like leafpad, but they look ugly. Change the GTK theme with:
http://hints.macworld.com/article.php?story=20080309171359879

You can use the mac4lin gtk theme, see:
http://pepijndevos.nl/2010/04/mac4lin-on-mac

Execution with quicksilver
http://www.simplehelp.net/2007/05/09/how-to-install-linux-applications-in-os-x-a-complete-walkthrough/#quicksilver

1. wget
2. toilet and figlet
3. ntfs-3g