Disable Dashboard
defaults write com.apple.dashboard mcx-disabled -boolean YES
About this user
http://sudo.ch/~dkocher/
Rebuild LaunchServices database
The Launch Services database can get corrupted; e.g. you can't select an external editor in Cyberduck.app even if the editor in question is installed. Also resets all 'Open with Application...' warning dialogs.
/System/Library/Frameworks/ApplicationServices.framework/\ Frameworks/LaunchServices.framework/Support/lsregister \ -kill -r -domain local -domain system -domain user
Find and remove .DS_Store files
Remove all .DS_Store files recursively from current working directory
find . -name .DS_Store -ls -exec rm {} \;