Binary package “tn5250” in ubuntu hardy
5250 telnet emulator for accessing an IBM iSeries (AS/400)
tn5250 connects to an IBM iSeries (AS/400) running i5/OS and
emulates a 5250-compatible "green screen" terminal, or a printer
using SCS or Host Print Transform. It runs on the Linux console, in
an xterm, or on any other character terminal.
To run in a window, the xt5250 script works best with xterm, but can
use any other program providing the x-terminal-emulator interface.