"Disk encryption is one very important tool that you
can use to enhance the physical security posture of our computer,
and Fedora is the only distribution that makes it very easy for
every computer user to enjoy its security benefits.
"Fedora 13's implementation of disk encryption is still the same
as on prior releases. The only difference is that the position of
the check box to enable it changed from close to the top of the
window, to very near the bottom. By default, the box is unchecked.
All that's needed to encrypt your disk then is to make sure that
the check box next to "Encrypt system" is enabled before you click
the "Next" button."