Created
December 8, 2024 19:17
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Wipe free space on Android devices
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| #!/bin/bash | |
| set -euxo pipefail | |
| { | |
| for path in "/system" "/data" "/cache" "/sdcard"; do | |
| dst="$path/xxx-wipe" | |
| echo "Fill $dst" | |
| dd if=/dev/urandom of="$dst" bs=1048576 conv=sync || true | |
| cat /dev/urandom > "$dst.1" || true | |
| sync | |
| ls -la "$dst" "$dst.1" | |
| rm "$dst" "$dst.1" | |
| done | |
| } 2>&1 | tee -a wipe-free.log |
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