ssh(1) on macOS
The text e76b26994392, as Mac OS X 10.4.7.x86, Mac OS X 10.4.7.ppc, Mac OS X 10.4.6.x86, Mac OS X 10.4.6.ppc, Mac OS X 10.4.5.x86, Mac OS X 10.4.5.ppc, Mac OS X 10.4.4.x86, Mac OS X 10.4.4.ppc, Mac OS X 10.4.3, Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
OpenSSH SSH client (remote login program)
Flags it lists
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-1 -
-2 -
-4 -
-6 -
-A -
-C -
-D -
-F -
-I -
-L -
-N -
-R -
-T -
-V -
-X -
-Y -
-a -
-b -
-c -
-f -
-g -
-i -
-k -
-l -
-m -
-n -
-o -
-p -
-q -
-s -
-t -
-v -
-x