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Why use a different Internal File Name

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3 replies

by kcav

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I am running Windows 2000, v5.0 Service Pack 5.

In Windows Explorer, I selected folder %system%/system32/drivers, and sorted on Type.
I found a file named cdralw2k.bak. I right clicked on it and click on Properties. The description said, CDRAL for Windows 2000 kernel driver. I clicked on the Version tab and under Internal Name it said, CDRALW2K.SYS.

Why use file type bak on the filename that appears in the directory and internally use type sys?

3 replies

by thechas

The .bak extension usually means that this is a backup copy of the file.

Since the file is in System32/Drivers, the likely cause is that an updated device driver, or the Windows 2000 Service Pack uses a newer, or different file now.

.bak files are created to make it easier to return to a previous version / configuration.

Chas

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