"Many people prefer working with laptops instead of desktops for
the flexibility they offer. Some of them would also like to switch
to a free and open source operating system like GNU/Linux and have
their laptop do all the things that proprietary OSes offer, such as
suspending their laptops. Several distributions try to make this
work out of the box, but knowing what's under the hood always comes
in handy, particularly when something goes wrong and needs fixing.
Let's take a look at how to suspend and hibernate your laptop under
"Most modern laptops use Advanced Configuration & Power
Interface (ACPI) for power management, so we'll focus on that.
Since ACPI support for Linux (ACPI4Linux) is in constant
development, you'll need a recent kernel (2.6.15 or later) in order
to utilize all the latest advancements..."
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