If you are a savvy Mac user, you may notice that a lot of directories end up with files named .DS_Store in them. These .DS_Store files gets created when you look at a directory using the Finder. These files can be a real pain for those of us who synchronize directories to remote file systems since who wants to send along cruft like .DS_Store? Or even worse, if you are putting your directory structure under revisions control, these files end up changing and really, do you want to be update them to get CVS to stop complaining about them?

To keep .DS_Store files from being created, open a terminal window and enter the following command:

defaults write com.apple.desktopservices DSDontWriteNetworkStores true

Once you do this, you'll need to reboot before the change takes effect. But once you do the .DS_Store files will no longer be created.