nl(1) on FreeBSD
The text cd2aaa0ff852, as FreeBSD 5.2.1-RELEASE, FreeBSD 5.2-RELEASE, FreeBSD 5.1-RELEASE, FreeBSD 5.0-RELEASE shipped it.
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Flags it lists
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-b -
-d -
-f -
-h -
-i -
-l -
-n -
-p -
-s -
-v -
-w