Hi and thanks a lot for ntfs-3g!

Since Windows Vista, formatting on Windows overwrites all data on the volume 
with zeros when doing a full format (as opposed to a quick format): 
https://docs.microsoft.com/en-US/troubleshoot/windows-server/backup-and-storage/format-command-not-write-zeros-to-disk

What's the behavior of mkfs.ntfs in this regard on HDDs? Does it overwrite data 
outside the master file table?

When formatting an SSD with mkfs.ntfs, does it send an ATA TRIM command to the 
SSD to mark all the data as eligible for the SSD's garbage collector?

Kind regards,
Matthias Braun


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