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floppy disks

)To mark a file or disk so that its contents cannot be modified or deleted. When you want to make sure that neither you nor another user can destroy data, you can write-protect it. Many operating systems include a command to write-protect files. You can also write-protect 5¼-inch floppy disks by covering the write-protect notch with tape. 3½-inch floppy diskettes have a small switch that you can set to turn on write-protection.

Write-protected files and media can only be read; you cannot write to them, edit them, append data to them, or delete them.

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