On a 3%~inch diskette, the write-protectdevice is a small switch on the back of the diskette in the lower right comer, shown below. TO write-protect a 31/z-inch diskette, slide the switch toward the edge of the diskette until it clicks into position, exposing a hole in the comer.
write-protect switch
To remove the write protection, slide the switch toward the center of the diskette until it clicks into position and the hole is covered.
Note
Some program diskettes have no notch or switch so they are permanently write-protected. This protects them from being accidentally erased or altered.
