Just to be complete I thought I’d mention another freely available 3270 terminal emulator on Linux. I briefly tried the c3270, 3270 terminal emulator, it is easy to increase/decrease the font size simply by pressing <Ctrl>+ or – respectively. The thing that wasn’t readily clear to me was how to use special keys such as Reset, Erase EOF or PA1.
In hindsight I guess there isn’t much to complain about concerning Linux 3270 terminal emulation!