gnop checks for contact with the server. It requires no access level, and its syntax is :
gnop [<options>] [<switches>]
gnop outputs a diagnostic message indicating the result of sending a NOP command to the server. The message is output to either the terminal (in interactive mode), or the TO dataset..

Example :
$ gnop
Experimental GROGGS system RGTP server ready (no access yet)
Server response to NOOP is 200 NOOP command received.
Server is alive.

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Last modified: Fri Nov 3 10:34:53 1995
Richard Watts <>