sftp-server(8) on OpenBSD
The text a9e3064f12df, as OpenBSD 6.6, OpenBSD 6.5, OpenBSD 6.4, OpenBSD 6.3, OpenBSD 6.2, OpenBSD 6.1, OpenBSD 6.0, OpenBSD 5.9, OpenBSD 5.8, OpenBSD 5.7 shipped it.
SFTP server subsystem
Flags it lists
-
-P -
-Q -
-R -
-d -
-e -
-f -
-h -
-l -
-p -
-u