faxinfo(8) on Linux
The text 40f27d52fb6a, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
print information about a received facsimile
Flags it lists
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-C -
-D -
-E -
-S -
-b -
-c -
-e -
-n -
-r -
-s