 The product in its present form runs on AIX, UNIX, HP-UX, i5/OS, Z/OS, Linux, Solaris and Windows Server.Delivery of the first web-based Telnet 3270, or TN3270 emulation adaptation is credited to Netscape Navigator a web browser designed by Netscape Communications Corporation.Telnet 3270, or TN3270 describes either the process of sending and receiving 3270 data streams using the Telnet protocol or the software that emulates a 3270 class terminal that communicates using that process.