Thanks AvayaTier3,
That looks like a sat session command (not shell) ...
term ossi locks up the screen
command: newterm
respnse: Terminal Type (513, 715, 4410, 4425, VT220, NTT, W2KTT, SUNT): [513]
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input ossi and enter
output: t
.... (on far right of screen)
screen now frozen