I have an older iMac (OS X 10.4.11), and I forgot my master password. Is there anything I can do to reset the master password?

Here's the instructions if you have the discs.
Mac OS X: Changing or resetting an account password
http://support.apple.com/kb/HT1274?viewlocale=en_US
Changing your administrator password
http://docs.info.apple.com/article.html?path=Mac/10.4/en/mh655.html
Here's one method to reset the password without the install disc:
1. boot computer and hold the "apple" key and the "s" key.
2. wait for terminal show
3. release keys
4. type without the quotes: "/sbin/mount -uaw"
5. press enter
6. type without the quotes: "rm /var/db/.applesetupdone
7. press enter
8. type without the quotes: "reboot"
9. press enter
This will let you create a new admin account when you reboot your computer.
Also, without the discs, look at Mac OS X Tip - No Password, No Root, No CD? No Problem.
http://www.macobserver.com/tip/2003/06/16.1.shtml
Here is a way to get around not knowing the admin password on Macs.
To reset your OS X password without an OS X CD you need to enter terminal and create a new admin account:
   1. Reboot
   2. Hold apple + s down after you hear the chime.
   3. When you get text prompt enter in these terminal commands to create a brand new admin account (hitting return after each line):
          * mount -uw /
          * rm /var/db/.AppleSetupDone
          * shutdown -h now
   4. After rebooting you should have a brand new admin account. When you login as the new admin you can simply delete the old one and you’re good to go again!
 Cheers, Tom

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I have an older iMac (OS X 10.4.11), and I forgot my master password. Is there anything I can do to reset the master password?

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