For this one, I personally found it helpful to open up Finder next to Terminal then scroll through which apps I wanted to delete using the format describe here. I deleted GarageBand, Chess, iChat, Stickies & DVD Player (which in terminal is DVD\ Player).
2. http://www.cultofmac.com/227858/five-ways-to-save-space-on-your-mac-hard-drive-feature/
3. http://www.macworld.com/article/1165698/seven_ways_to_free_up_drive_space.html
4. http://www.cultofmac.com/104523/how-to-make-the-most-of-your-new-macbook-airs-solid-state-drive-the-right-way/
5. http://grandperspectiv.sourceforge.net
6. Also check this page about clearing drop box cache on your Mac:
https://www.dropbox.com/help/328/en
7. Empty caches (if you have downloaded Mavericks follow the instructions below)
- From your Safari menu bar click Safari > Preferences then select the Advanced tab.
- Select: Show Develop menu in menu bar
- Now from the menu bar click Develop > Empty Caches
8. http://thexlab.com/faqs/freeingspace.html
9. http://appducate.com/2013/01/how-to-fully-uninstall-an-application/