Freeze SO Linux, it's possible?

[Bart Silverstrim]

Carlos Carrero Gutierrez wrote:
> Hi, i would like to freeze my linux in order to freeze the OS, then,
> when I reboot the computer all changes that i made in the computer
> dissapears and it returns to the previous OS freezed.
> 
> In windows there is something similar, called "Deep Freeze" (it's
> freeware).

If it's freeware it would only be for personal use...we license it and 
it's definitely not free.