Top 15 Terminal Commands for Hidden Settings in Snow Leopard

"Every time Apple brings out a new version of OS X, we compile a list of our favourite Terminal commands for enabling hidden features and changing hidden settings (here are the lists for Tigerand Leopard).

For those who are new to Terminal Commands, here's a quick run down of how to use them. Don't worry, it's really easy. Start by opening up Terminal, located in the Utilities folder in the Applications folder. In the window that appears, paste in one of the lines provided below, and then hit return. For the changes to take effect, you need to restart the application concerned. For applications like the Dock or Finder, it is easiest to just type killall Dock or killall Finder into the Terminal to restart them. To reverse the changes, you just need to change the last word of the command and run it again. If the last word is YES, change it to NO, change 1 to 0, and change TRUE to FALSE and vice versa for all."

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