datastat(1) on Linux
The text 82312d73d0ff, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it. The page shows this text now.
Display details of a data structure (i.e. block or sector)
Flags it lists
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-V -
-f -
-i -
-o -
-v