Recovering disc data after resetting admin password

Hello, and, in advance, thank you all for your help.
I had forgotten the admin password I set on my older Mac, os 4 something, and I used the control, option s to restart my computer - it wiped out everything on my computer, and, brought it back to it original form.
how do I recover the lost files

the control, option s to restart my computer - it wiped out everything on my computer, and, brought it back to it original form.
how do I recover the lost files
I think you meant command + s. Not sure what control + option + s does.
This is the only command that you did? You would need to do more to make any changes to your computer.
User files are in
/Users/your-short-user-name/
You need to navigate to this folder to see the files. You will need to change the folders permissions to see the files.
I suggest running disk utility to verify the harddrive.
Robert

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Try the following, in order, until (hopefully) resolved:
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For Lion, Mountain Lion, or Mavericks
    Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
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For Snow Leopard and earlier with installer DVD
     Mac OS X 10.6- If you forget your administrator password,
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For Snow Leopard and earlier without installer DVD
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Resetting admin password from non-original CD

We have a 400 Mhz Powerbook G3 running Mac OS X 10.3.3. We got it from eBay as is––no CD's, no other information. Now that I have inadvertently locked System Preferences, that is a problem because we do not know the admin password.
I see that you can reset the password by booting up from a Mac OS install disc. My question is, would it be possible to do that using the OS X install disc for v. 10.3.7 that came with my iBook G4?

Usually the OEM install disc that comes with a particular computer model will not work with other models. However, you can give it a try. If you can get it to boot the Powerbook, then after the installer loads select Reset Admin Password from the File menu.

How to reset admin password iMac

I changed my IMac admin password and have now forgotten in and can't find my originàl discs to reset it. I understand you can reset it using apple ID but I can't work it out. Can someone help me

Forgot Your Account Password
For Snow Leopard and earlier
     Mac OS X 10.6- If you forget your administrator password
For Lion/Mountain Lion
    Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
     When the menubar appears select Terminal from the Utilities menu.
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(these will only work on Leopard or earlier)
1. Boot to Safe Mode by restarting and after the chime press and hold down
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The second-to-last command above will cause OS X to think that the operating system is newly installed, and when the new owner starts up the computer it will send him/her to the startup wizard where he/she can start a new user without reinstalling.
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Reset Admin Password Using The Terminal
You can reset the password by printing out (or writing down) and carefully following these steps.
First, find the short name of the admin user on the machine. The easiest way of doing this is by looking at what the directory is called in the Users folder.
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Enter these exact lines. Press RETURN after each.
mount -uw /
ifconfig lo0 up
cd /var/db/netinfo
netinfod -s local
Now you'll need that short name. Enter "passwd", a space, and the short name of the admin. For example, if the admin was rather prosaically called "imadmin", you would enter "passwd imadmin".
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sync
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Resetting admin password. Please help!!

My friend has a G4 ibook with mac osx 10.3.8 installed, unfortunately he has forgotten his password and this prevents him from installing any software now. I have read the support pages from apple which state i should use the installation disc of the original mac os x. This has unfortunately been lost. I have tried with a newer installation disc "tiger" and this does not work. Can anyone help me.
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Alan....try the following.....
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Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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Recovering disc data after resetting admin password

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