Computer Science - Computer Hardware - Discussion

Discussion Forum : Computer Hardware - Section 6 (Q.No. 24)
24.
What is the file extension used by WIN95 to back up registry file when windows starts?
.dat
.dao
.bak
.tmp
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Ayesha said:   5 years ago
A dao file store image at the (Disk at Once) - format. The DAO file type is primarily associated with Duplicator.

The DAO Misc file format

Files with the DAO extension are created using CD/DVD duplicator software. This software is used by devices and systems that allow the exact duplication of CDs or DVDs. They are even able to duplicate several discs at the same time. DAO files contain the exact duplicated information from either a CD or DVD and are used for the backup or distributional purposes.

Ravindra Hirulkar said:   1 decade ago
To back up your registry files, follow these steps:

Restart your computer. Press the F8 key when you see the "Starting Windows 95" message, and then choose Safe Mode Command Prompt Only from the Startup menu.

At the command prompt type the following lines, pressing ENTER after each line:

cd windows
attrib -r -h -s system.dat
attrib -r -h -s user.dat
copy system.dat *.bu
copy user.dat *.bu

NOTE: This procedure assumes you do not have any files named System.bu or User.bu. If you do have files by this name, such as a backup of the System.ini file, select a file name extension that is not currently in use.

Restart your computer.

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