chmod(1) on macOS
The text ae975f042154, as macOS 12.2, macOS 12.1, macOS 12.0.1, macOS 11.5, macOS 11.4, macOS 11.3, macOS 11.2, macOS 11.1, macOS 11.0.1, macOS 10.15.6, macOS 10.15.5, macOS 10.15.4, macOS 10.15.3, macOS 10.15.2, macOS 10.15.1, macOS 10.15 shipped it.
change file modes or Access Control Lists
Flags it lists
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-C -
-E -
-H -
-I -
-L -
-N -
-P -
-R -
-a -
-f -
-h -
-i -
-v