You must have created the installable image.
Enter the following command:
ctltool.exe drive:\path\inputfile.ctl drive:\path\outputfile.ctl
The option drive:\path\inputfile.ctl represents the path to and name of the control file that you want to edit (the control file that was created with the installable image). The option drive:\path\outputfile.ctl represents the path to and name of the new control file that you want to create.
For example, you create an installable image and store it in D:\installable image. The installation utility creates a .ctl file named install.ctl and stores it in the same directory along with the image files. To edit this control file, and create a new one in the same directory, at the command prompt, you would change to D:\installable image\Install\instbin, and enter ctltool.exe "D:\installable image\install.ctl" "D:\installable image\newfile.ctl".
Note
If the path that you enter for the input control file or the output control file has a space in it, you must enclose the path within quotes.
The installation utility displays the first value stored in the control file.
Rename the new control file to install.ctl so that when you install the image, the installation utility uses the new control file. The installation utility looks for a control file named install.ctl to perform the installation.
Note
Optionally, you can use the -install command line option when you install the image to specify the location and name of the new control file that you want to use. For more details on the -install
command line option, see Installing an installable image.
Creating and deploying an installable image for Windows computers