Freeze SO Linux, it's possible?

[James Kosin]

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).
> 
> Somebody could help me? 
> 
> Thank you very much, I appreciate your help.
> 
Deep Freeze is also available for Linux....

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