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How to erase a file
on Mac OS 7 using ShredIt
You can use ShredIt for Mac OS 7 as a file shredder to securely delete a file so the contents can't be recovered on any Mac running OS 7.
- This type of function is called interchangeably "shred file", "erase file", "wipe file, or "secure delete file". more info
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Requirements
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Instructions
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There are two ways to erase a file using ShredIt.
Drag the file onto the ShredIt Icon and drop it
or
Double-click the ShredIt Icon to start the program, and then pick the file you want to shred using the “File” Menu .
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Notes
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- For more detailed information about ShredIt for Mac OS 7, refer to the
- There's an important difference between the technical terms "delete" and "secure delete".
- The technical computer term "delete" refers to the type of computer function where the data is marked as deleted, but not really gone. Functions such as dragging a file to the trash/recycle bin and then emptying it marks the data as deleted so the space can be used again, but the data itself remains on the hard drive and recoverable until it is overwritten by something else. On a hard drive with lots of free space, this could take months or even years.
- On the other hand, the technical term "secure delete" refers to the type of computer function where the data is overwritten by other characters so the data can't be recovered. "Secure Delete" is also referred to as "clean", "wipe", "erase" and "shred". Computer software that performs this type of function is often called a "file shredder" a "data shredder" or "secure delete utility".
- Tutorials are available for other versions of ShredIt
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