Not knowing your Mac’s password is like locking yourself out of the house; it’s inconvenient (at best) and always happens at the worst possible time. In our efforts to shield information from others we often wind up just blocking access for ourselves. Fortunately there are several ways to reset your Mac password when amnesia strikes or relevant information isn’t available.
Some methods of resetting your password can affect access to the keychain, however, where many of your other passwords are stored. Nothing in life is free…