X3270

x3270 is a graphical interactive IBM 3270 emulator that runs on Linux, Solaris, MacOS (with XQuartz installed), FreeBSD and other Unix-like operating systems. It uses the Xt and Xaw libraries for its user interface, which dates to 1993.

x3270 actions are listed here: x3270 actions

x3270 resources (settings) are listed here: x3270 resources