sendfax(1) on Linux
The text f333687eaf0d, as Debian 4.0 (Etch) shipped it.
submit a facsimile job for transmission
Flags it lists
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-1 -
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-A -
-D -
-E -
-G -
-N -
-R -
-l -
-m -
-n -
-p -
-v -
-w