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Re:Microsoft Can Track Users via a Windows Device ID by zbentley on Tuesday July 07, 2026 @03:24PM (#48822462)
OpenBSD’s equivalent is the hw.uuid sysctl: https://man.openbsd.org/sysctl.2#HW_UUID~2

Other BSDs don’t have that, but have equivalent PCI tree identifiers. “hostid”, too, is found on many systems but is much less unique as it’s often a function of local network address.

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