The Root Password has been forgotten. Can we recover?

Bonehead move here.  The root password on our HPUX system has been forgotten.  Is there any way to reset it?  Using the "passwd root" command prompts for the current password and we don't know what it is.  We can gain root privledges, so is there any way to edit the passwd file and reset the root password to no password?
lightfootdAsked:
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yuzhConnect With a Mentor Commented:
Hi lightfootd,

  >boot
  Interact with IPL ? Y
  SL>hpux -iS
  vi /tcb/files/auth/r/root
  vi /etc/shadow

  Note: use vi editor to delete the Password from the above files. then reboot your system. After system is booted up, the root have no passwd
, just type <Enter>, you need to use passwd command to reset the password.

   Cheers!
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OtetelisanuCommented:
I have Solaris ...

 1. make df -k anw look who is mount /

 2. Boot from cdrom (The system mind is root)

 3.  mount /dev/dsk/c0t0d0s0 /a
     Example: /dev/dsk/c0t0d0s0 )

 4. With vi blank value for the password in the /etc/shadow

 5. umount /

 6. boot
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biraCommented:
If anyone knows how to do it on AIX i am intersted
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lightfootdAuthor Commented:
Editing those files did the trick.  Thanks.  However, I was not able to boot up in single user mode due to being asked for a login - and the only authorized login for single user mode is root.  So I just booted the system up normally, backdoored my way to root with "wrap_uid su - root" then edited the files you listed above - and it worked.
Thanks again....
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