While all modern POSIX based applications that require control of a text terminal use either termcap or terminfo to determine escape sequences, there are still old legacy applications that use hard coded values. Often, the source code for these applications is not available or for some other reason it proves impracticle to modify the existing application. If the hard coded values correspond to a commonly used terminal type (such as the VT100(tm) series and its derivatives) then the user is in luck and there is a wide variety of useable terminal emulators. If, on the other hand, the program assumes a less common terminal type such as the Wyse 60(tm) hardware terminal, then choices are limited. This is were "wy60" comes it. It can be invoked from within any one of many commonly used terminal emulators as long as there is a working terminfo entry for it. It sets up a emulation environment converting between Wyse 60(tm) escape sequences and the escape codes of the host system, and launches a shell to run within this emulated environment. The current set of supported escape sequences is limited, but should suffice to run many existing legacy applications without requiring any changes. For more details read the manual page for wy60.