ssh-add(1) on OpenBSD
The text c1c99fec4297, as OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
adds RSA or DSA identities to the authentication agent
Flags it lists
-
-D -
-L -
-X -
-c -
-d -
-e -
-l -
-s -
-t -
-x