3-8 Managing PowerHibernationHibernation is a very useful feature. People frequently open manyapplications when they use computers. It takes some time to get all theseapplications open and running, and normally they all have to be closedbefore the computer can be turned off.When you use the hibernation feature, you do not have to close theapplications. The computer stores the state of your computer to a file on thehard disk and then shuts down. The next time you turn on your computer,you return to exactly where you left off.