6 Item is a UNIX uuencoded file. 7 Item is an Index-Search server. 8 Item points to a text-based telnet session. Client must read until the connection closes. T TN3270 connection.
Data stream is a mulaw sound.
M MIME type. Item contains MIME data. I Image type. This is a problem occasionally encountered with Unix full-text indexes. It is caused by setting up the link incorrectly to a gindexd port.