Reference

pftp(1) on FreeBSD

The text 6a7b88a5f58e, as FreeBSD 2.2.5-RELEASE, FreeBSD 2.2.2-RELEASE, FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE shipped it.

ARPANET file transfer program

Flags it lists

pftp(1) on FreeBSD now