ppp(8) on FreeBSD
The text 9bc4f8ec7dfd, as FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
Point to Point Protocol (a.k.a. user-ppp)
Flags it lists
-
-auto -
-background -
-ddial -
-dedicated -
-direct -
-foreground -
-interactive