Ssd
Securely Deleting Files on Linux and macOS (Beyond shred)
A practical guide to securely erasing files on Linux and macOS — secure-delete, wipe, blkdiscard, hdparm, nvme-cli, and why encryption is the real answer
shred is the tool everyone reaches for, but it’s far from the only one — and on modern SSDs and journaling filesystems, it’s often the wrong one. This post covers the alternatives: secure-delete, wipe, blkdiscard, hdparm, nvme-cli, and the macOS equivalents — plus why full-disk encryption is now the recommended approach for serious data hygiene.