ping(8) on OpenBSD
The text bedf6cddf929, as OpenBSD 6.6, OpenBSD 6.5 shipped it.
send ICMP ECHO_REQUEST packets to network hosts
Flags it lists
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-D -
-E -
-H -
-I -
-L -
-R -
-T -
-V -
-c -
-d -
-e -
-f -
-h -
-i -
-l -
-m -
-n -
-p -
-q -
-s -
-t -
-v -
-w