smbmsg(8) on FreeBSD
The text d3b3cc82757d, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.
send or receive messages over an SMBus
Flags it lists
-
-F -
-c -
-f -
-i -
-o -
-p -
-s -
-w