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xeoncross/diskutil.sh

Last active May 22, 2018 14:17
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Securely erase a mac hard drive using diskutil from the command line. If this is the system disk, you probably will need to boot into recovery mode or use a USB stick installer.
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diskutil.sh
# Shows which disks are which
mount
# diskutil secureErase [level] /dev/disk1s1
# 0 = one pass writing zeros
diskutil secureErase freespace 0 /dev/disk1s1
# https://ss64.com/osx/diskutil.html
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