10.013 How can I create a disk image from a ShrinkIt .sdk file?
Description
This article is from the Apple II Csa2 FAQ, by Jeff Hurlburt with numerous contributions by others.
10.013 How can I create a disk image from a ShrinkIt .sdk file?
NuLib v3.24 can be used to make .po disk images from ShrinkIt 5.25" whole-
disk archives-- e.g. .sdk files.
Note: NuLib v3.24 can create 5.25" disk images only for .sdk files created by
8-bit ShrinkIt (not ones created by GS-ShrinkIt). Since most .sdk files were
created by 8-bit ShrinkIt, there is usually no problem.
For instance, suppose you have downloaded a whole-disk archive (.sdk file)
of a 5.25" disk of modem utilities named "modem1.sdk" and wish to convert it
into a disk image. For this example, it is assumed that you have downloaded
NuLib v3.24 and unZIPed it and, now, have all of your Nulib stuff (nulib.exe,
docs, etc.) in C:\nulib on your PC:
o- After downloading to the PC, check the file name of the .sdk file you want
to convert. The name should have from 1 to 8 characters followed by ".sdk". If
it doesn't, rename the file so that it does. The file modem1.sdk follows the
above rule; so, there is no need to rename it.
o- Move or copy modem1.sdk to the C:\nulib folder.
o- Since you are probably in Windows95 (or later) open an MS-DOS window.
o- In the DOS window, go to the nulib folder ...
C:\WINDOWS>cd\
C:\>cd nulib
o- Enter the xd command to create the disk image from modem1.sdk:
C:\nulib>nulib xd modem1.sdk
You should get a message saying the 'NEW DISK' image is being extracted ending
with "...done".
o- Exit the MS-DOS window-- e.g. click on the "X" in the corner.
o- Open the C:\nulib folder. Probably, your new disk image will be named
"new.dis". Rename the new file to "modem1.po". It should show up with a size of
140k in the usual Windows listing. (If it shows size 0, go to "View" for the
window and click "Refresh".)
If the new modem1.po has some size other than 140k-- like size is shown as 75k,
etc.-- it means that modem1.sdk was probably created by GS-ShrinkIt and can not
be converted to a disk image using NuLib. (You might as well scrap the bad
modem1.po .)
Most likely, though, the conversion will work and modem1.po will be a good disk
image.
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