iostat(8) on macOS
The text 5a2d1b018910, as 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.
report I/O statistics
Flags it lists
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-? -
-C -
-I -
-K -
-T -
-U -
-c -
-d -
-n -
-o -
-w