I have a 512G disk and I want to clear the last 512k bytes at the end of the disk.
I usually clear it by
dd if=/dev/zero of=/dev/da0 the whole disk.
Which way is the fastest to do this operation?
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As already pointed out,
Now you need to know the exact size of the disk, if you want to write the last 512kB. On linux, you can use the
So the command-line becomes something like: