In case of you forgot your user password on Mac OS X, it is easy to reset. The below steps should help you in resetting your password
- Restart your Mac, and goto single user mode by holding ( Command + S ) button on your mac keyboard. Here command button is often referred as Apple button also.
- In the command prompt execute following commands
- #sh /etc/rc
- #passwd (username on your mac for which you want to change the password).
- Now login to mac in normal mode, use your changed password to login.
Note: All your Key chain stored password will be lost by following above steps.