pppstats(8) on Linux
The text 18b0edf3c67d, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
print PPP statistics
Flags it lists
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-a -
-c -
-r -
-v -
-w -
-z