In Tiger, Expose is very essential feature that most of Mac user need. Upgrading to Leopard, you also get the access to more Spaces. To use these great features easily, you could use Hot Corners.

Hot Corners

Hot corners help you activate one of those features whenever you move your mouse to the corner of the screen. And you can easily set up your hot corners. How to set up hot corners?

Setting Hot Corners

First of all, go inside ▸ System Preferences... Go to your search box, the one with magnifier at the left, and type in "hot corner" to look for this feature. You will see 2 items highlighted. Choosing either one has the same result.

Option 1. Via Desktop & Screen Saver Preferences Pane

If you choose to set up your hot corners using through this pane, you can do the following :

1. Enter Desktop & Screen Saver Preferences Pane
2. Click on the button labelled "Hot Corners"
   
   
3. Additional menu will drop down. Here you can set up to four functions, each to one corner
   
   
4. Confirm your changes by clicking the "OK" button

Option 2. Via Expose and Spaces Preferences Pane

Using this pane is faster than the previous one. Unlike the previous one, you don't need to click on the button; Here you can directly assign the function of each corners.

Tips. Avoiding Accidental Triggering

You will be likely to encounter this issue using Hot Corners; You could accidentally move your mouse to the corner and activate the function assigned to that particular corner. Combining with modifier keys will help you solve this problem.