Write-protect

To protect the data on a diskette from being changed by placing a write-protect tab over the notch on a 5.25-inch diskette or by setting the write-protect switch on a 3.5-inch diskette. You can also write-protect a file on a disk by using software to designate the file read-only. When a diskette or file is write-protected, you cannot erase, change, or record over its contents.

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