security - How do I get rid of a hard disk without exposing my source code? -

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what proper way dispose old hard disk contains source code , other intellectual property? throw away in recycle box thought better check users first.

there free utilities out there overwrite hard disk (or specific files) random data many times over, making data recovery very, expensive. gnu coreutils has program called shred, microsoft/sysinternals has 1 called sdelete, , there other free alternatives.


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