spotlight iconMac OS X Spotlight search is a powerful beast, returning all types of search results in seconds. However, if you don’t use it to launch apps, or find files then it can take up precious CPU cycles for no good reason.

As with all features such as this, if you don’t use it or use alternatives such as QuickSilver then switch it off. Doing so will prevent Spotlight index service from indexing the drives on your machine, thus meaning it will return no results when used.

To switch off the indexing open a Terminal window and type:

sudo mdutil -a -i off

NB: You will be prompted to enter your admin password.

If you change your mind about Spotlight, and decide to give it another try, then it’s just as easy to switch back on as it was to switch off.

Again, in a terminal window type the following:

sudo mdutil -a -i on

NB: You will be prompted to enter your admin password.




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