Your question is deliberately constructed to deflect any possible answer (s.a. to protect the OS you've installed). Let me illustrate this by example: let's sa

Your question is deliberately constructed to deflect any possible answer (s.a. to protect the OS you've installed). Let me illustrate this by example: let's say you don't even power up your laptop -- it's hard to imagine that you are locked into something in this scenario. The lock-in will be ultimately contingent on what you do with the system, not on what you don't.