Xp help needed?

what is the hibernate button?

read this: http://support.microsoft.com/kb/893056

scroll down to no.11 - what is the hibernate button? what does it do? and do i need it?? and is it useful?

Xp help needed?windows xp service

What happened to standby and hibernate?

In earlier versions of Windows, standby saves your work to memory and puts your mobile PC into a power-saving state. Hibernate also puts your mobile PC into a power-saving state but saves your work to your hard disk so that you can safely turn off your mobile PC.

In this version of Windows, sleep saves your work to memory and puts your mobile PC into a power-saving state. Optionally, you can turn on hybrid sleep, a combination of sleep and hibernate, which saves your work to your hard disk and puts your mobile PC into a power-saving state. Hybrid sleep is turned off by default on mobile PCs.

All and all, if you think green, you might want to do this in order to save your electric bill .