vttest: vttest (terminal test program) vttest: vttest: Vttest is a program designed to test the functionality of a VT100 vttest: terminal (or emulator thereof). It tests both display (escape sequence vttest: handling) and keyboard. vttest: vttest: Additional tests (past version 1.7) are provided for analysis of vttest: vt220, vt420 terminals, as well as variants of xterm. vttest: vttest: vttest: