1. I am trying to set a master password from the terminal (using a shell script). I see the passwd function and the master.passwd function, however I don't see any documentation on either of these to set the master password (AFAIK, these set the user passwords only).
  2. Jul 27, 2015 Terminal command to change a user password on a Mac. Posted by July 27, 2015May 21, 2019 3 Comments on Terminal command to change a user password on a Mac. Now that there are SecureToken users, the command below no longer works to reset another user's password. Thanks to mario on the MacAdmins Slack for testing.
  3. How to set a firmware password without rebooting in OS X. If you need to, say for security reasons, you can access and change the OS X firmware password from the main boot drive.
  1. Change Password On Mac Os X Dmg With Terminal 6
  2. Change Password On Mac Os X Dmg With Terminal 2
  3. Change Password On Mac Os X Dmg With Terminal 1
  4. Change Password On Mac Os X Dmg With Terminal 3
  5. Change Password On Mac Os X Dmg With Terminal 3

You have to boot to recovery mode to reset your admin password. To boot to recovery mode on Mac OS X, Restart your macbook and hold down the  COMMAND  and  R  key together at once until the Recovery Mode Windows appears. Once you get into the recovery mode, Go to Utilities Click on Terminal.

Change Password On Mac Os X Dmg With Terminal 6

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Change Password On Mac Os X Dmg With Terminal 2



Close all applications and shut down the computer , press command , R and power key simultaneously , release only power key and keep on holding command and R key until apple logo appears , the bar starts loading let it be completed .

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Select the language as English , go to utilities on top menu bar > Utilities > Terminal execute a command resetpassword and click on enter key .


Window appears , select your admin name it will prompt to enter Apple ID and password .

Once you enter the credentials , two options will be shown ( a ) previous ( b ) next , click on next .


Some fields will appear .

New password ……….

Change Password On Mac Os X Dmg With Terminal 1

Verify password ……….

Password hint ……….

Change Password On Mac Os X Dmg With Terminal 3

Enter your new password in two empty fields and keep password hint as empty ( optional ) .

It will again prompt two options ( a ) previous ( b ) next

Click on next .


Then it will prompt to restart the computer , so after restarting the machine .Pop - up will appear

The system was unable to unlock your login keychain , if you remember your old password you can update the keychain password .

Change Password On Mac Os X Dmg With Terminal 3

If you do not remember your old password , you can create a new login keychain or choose to leave the login keychain using a different password .

Would you like to update the password , create a new keychain , or continue the login ?


A window will appear on your desktop .

( a ) continue login .

( b) create new keychain .

( c ) update keychain password .


Click on update keychain password , then log out from your computer .


When you again login in the fields enter your “ admin name “ and “ old admin password “ , so that new password will be updated with login keychain .


Hence , the admin password is changed with the help of “ Recovery mode “ only .