Specifies the size of buffer that is required to receive any input from any terminal and is used as a tuning parameter.
This parameter is applicable to the SYSTEM control statement (see SYSTEM statement).
buffer-size may be any value in the range 1-32000. The TRNUMBER parameter (see TRNUMBER) specifies the number of such buffers to be allocated.
The Q STATS command can be issued to display the number of terminal receives in various ranges. These are given in message 491I. Message 307I gives overall figures.