Qubes OS does this with it's disposable VMs. Qubes is super cool. It's just a pity that it also imposes a bit too many constraints (especially related to USB k

Qubes OS does this with it's disposable VMs. Qubes is super cool. It's just a pity that it also imposes a bit too many constraints (especially related to USB keyboard... For security reasons) and performance penalties to make it a realistic alternative for me