fs_usage(1) on macOS
The text 37942bc8d6cd, as macOS 15.3, macOS 15.2, macOS 15.1, macOS 15.0, macOS 14.6, macOS 14.5, macOS 14.4, macOS 14.3, macOS 14.2, macOS 14.1, macOS 14.0, macOS 13.5, macOS 13.4, macOS 13.3, macOS 13.2, macOS 13.1, macOS 13.0, macOS 12.5, macOS 12.4, macOS 12.3, macOS 12.2, macOS 12.1, macOS 12.0.1 shipped it.
report system calls and page faults related to filesystem activity in real-time
Flags it lists
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-E -
-R -
-S -
-b -
-e -
-f -
-t -
-w