If the system fails to enter multiuser mode when you press <Ctrl>D, or this message is displayed at boot time, the /etc/inittab file is missing:
INIT: Cannot open /etc/inittab errno: 2The /etc/inittab file contains instructions for init. When inittab is missing, init cannot execute the system startup instructions and the system cannot enter multiuser mode. When you press <Ctrl>D, the system remains in single-user mode and displays the error message above.
INIT: SINGLE USER MODE
To restore inittab, you must recreate the kernel environment:
The kernel environment includes device node files and /etc/inittab. The new kernel may require changes to /etc/inittab or device nodes.Enter ``y'' and press <Enter>. This message is displayed:
Do you want the kernel environment rebuilt? (y/n)
The kernel has been successfully linked and installed. To activate it, reboot your system.
Setting up kernel environment
If you see a message that the system cannot open the file,
enter this command:
ln -s /var/opt/K/SCO/Unix/*/etc/inittab /etc/inittab
This restores the symbolic link to the inittab file in the UNIX system software storage object.
ENTER RUN LEVEL (0-6,s or S):Enter 2 and the system will continue into multiuser mode.