scp(1) on macOS
The text d556f5c33f02, as macOS 10.14.1 shipped it.
secure copy (remote file copy program)
Flags it lists
-
-3 -
-4 -
-6 -
-B -
-C -
-F -
-P -
-S -
-c -
-i -
-l -
-o -
-p -
-q -
-r -
-v