What can you do when you delete a file by mistake? Is there any way to get it back? Fortunately, DOS and Windows 3.1 both have undelete utilities for just such a mishap. The key is, don't react in panic when this happens, and don't write anything to the hard drive from which the file vanished until the file is recovered.
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The worst thing you can do if you delete something accidentally is to write something new to the same drive. Why? The reason is that when you delete a file you don't actually erase any of the file's valuable information; all you do is overwrite the first letter of the file name with an unrecognizable character, a Greek letter 'alpha'. |
If, however, you write something to the disk after deleting a file, there is a possibility that something in the file will be erased when the new data is written. When you type 'undelete' at the DOS prompt, the system searches for filenames containing a first-letter 'alpha', and attempts to restore the file. You choose a new first-letter for the filename.
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