Comment on iPhone owners say the latest iOS update is resurfacing deleted nudes
lurch@sh.itjust.works 6 months agothe shred command in Linux tries to do this, but it may not work if the hardware moves rewritten data blocks around to mitigate wear.
tal@lemmy.today 6 months ago
shreddoesn’t even necessarily work at the OS level. If you use something likeext3and I assumeext4, normally when you overwrite data in a file, you’re not overwriting data even at the logical level in the block device. Journalling entails that you commit data to somewhere else on the disk, then update the metadata atomically to reference the new data.