ioreg(8) on macOS
The text ab6499bc1cee, as Mac OS X 10.2.8.G5, Mac OS X 10.2.8, Mac OS X 10.2.7, Mac OS X 10.2.6, Mac OS X 10.2.5, Mac OS X 10.2.4, Mac OS X 10.2.3, Mac OS X 10.2.2, Mac OS X 10.2.1, Mac OS X 10.2 shipped it.
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Flags it lists
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-b -
-c -
-l -
-n -
-p -
-s -
-w -
-x