How to make Finder show all hidden files?

The tip came from OSXFAQ. You have to type the following commands in a shell:
defaults write com.apple.finder AppleShowAllFiles TRUE
killall Finder

Btw.: this is my first post from the new MacBook ... Wink

To revert back to the original behaviour, type the following:
defaults write com.apple.finder AppleShowAllFiles FALSE
killall Finder