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Full Discussion: Booting to Command Prompt
Operating Systems SCO Booting to Command Prompt Post 302941265 by jgt on Tuesday 14th of April 2015 02:38:49 PM
Old 04-14-2015
Without the root password, your options are limited.
1. Do you have an emergency boot diskette?
If so, you can boot from it and change the root password, then boot from the disk.
2. If not;
You will probably have to move the disk to another machine with SCO installed and mount it as a second disk, then copy the files to the primary drive, then to removable media.
3. If it really is 5.0.0, then the CD jewel case and the CD are two tone green, not blue and yellow. The CD is not bootable, you have to boot from a diskette.
My suggestion would be to find a suitable system, probably a socket 478 or 775 system with ide and sata in compatible mode, and at least one slot if the POS system is SCSI with a PCI controller. Download SCO 5.0.7 and install it on this system using the demo keys. Transfer the POS disk (and controller) to the new system, add the disk, and copy the data.
You can use programs like hdclone to duplicate the disk, but you cannot change the size of any of the partitions.
Alternatively, how is the system backed up, and to what media. It might be easier to take a backup (tape?) and restore it to another system.

---------- Post updated at 02:38 PM ---------- Previous update was at 02:31 PM ----------

If you are feeling lucky, and you have any login and password that does not automatically start the POS program, at the console, press <ctrl><alt> and <F3>, this should give you a login prompt on tty03. There may be enough files with permissions 0666 (read/write) by everybody to copy the data.
 

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LEARN ABOUT NETBSD

kloader

KLOADER(4)						   BSD Kernel Interfaces Manual 						KLOADER(4)

NAME

     kloader -- in-kernel bootloader

SYNOPSIS

     options KLOADER
     options KLOADER_KERNEL_PATH=""/netbsd""

DESCRIPTION

     The kloader is the in-kernel bootloader for platforms that do not have a proper firmware.

     Some platforms supported by NetBSD do not have a firmware that can boot the NetBSD kernel.  Examples are game consoles (dreamcast port), and
     handhelds (hpcarm, hpcmips, and hpcsh ports).  On such platforms the bootloader is usually a host program that runs under the native OS.
     This means that rebooting NetBSD is a lengthy process of booting into the native OS first, launching the bootloader program, and finally
     booting NetBSD again.  This problem is addressed by kloader, which allows the currently running kernel to serve as a bootloader for the ker-
     nel being booted, thus avoiding the burden of booting into the native OS first.

     When kloader is configured into the kernel, a call to reboot(2) causes the kloader to load the new kernel into memory, and arrange for con-
     trol to be passed to the new kernel -- just like a standalone bootloader does.  The new kernel then boots in the ordinary manner.

SEE ALSO

     reboot(2), boot(8), reboot(8)

HISTORY

     kloader first appeared in NetBSD 1.6.

BUGS

     kloader ignores howto and bootstr arguments passed to the reboot(2) system call, and reboots the system with the previous boot settings.

     kloader doesn't support booting compressed kernels.

     The hpcarm port doesn't support kloader yet.

BSD
								   April 3, 2004							       BSD
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