s3270(1) on Linux
The text 8fead7fbf735, as Debian 4.0 (Etch) shipped it.
IBM host access tool
Flags it lists
-
-charset -
-clear -
-im -
-km -
-model -
-mono -
-oversize -
-port -
-set -
-tn -
-trace -
-tracefile -
-tracefilesize