create a boot-able disk from an iso file

[Boggess Rod]

>This is the 'my data are more important than the system' argument. The
>integrity of your data depends on the integrity of the system and
>without the system you have no data. Being able to rebuild the system
is
>neither here nor there.
>
>

I just wanted to point out one false statement I saw here: the execute
bit does NOT need to be set to run a program anymore modern GUI-enabled
(GNOME and KDE) Linux Desktops. These new launcher programs will ignore
that bit if they're set to launch a specific program.