The message as presented in the previous example indicates that you were trying to use the DEL key as the UNIX interrupt key and as the OpenEdge DELETE-CHARACTER key. To avoid this message, add the following line to your .profile file:
Built-in terminal definitions are supplied with OpenEdge for the terminals listed in the
terminal identifier table, which indicates the terminal identifiers you can use so that OpenEdge can successfully access that terminal definition. Be sure the operating system environment variable
TERM is set to the appropriate value. For example: