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## Running MGED on a Tektronix

To run MGED on the tek4014 class of terminals one needs to have TWO terminals - the graphics terminal (4014 or one which emulates a 4014) and another terminal to enter commands on.

The procedure is as follows:

1. login on the graphics terminal
2. enter tty to find out which terminal number has been assigned
3. enter sleep 32000 to put the graphics terminal in sleep mode
4. login on the other terminal
5. enter mged file to execute MGED
6. enter tek to select the tek4014 device processor
7. enter the tty value found in step 2.
8. perform editing
9. enter q to quit MGED
10. enter control-c on the graphics terminal to end the sleep mode
11. logout on both terminals

Since there are no knobs or buttons on the tek4014 class of terminals, one is forced to use the press and knob commands to emulate these peripherals. Other commands which can/should be used are:

    ill          put up a desired path
    center       slew the display
    size         zoom the display
    sed          solid edit immediately

The main force behind the writing of a driver for the tek4014 terminals was to allow the use of the Teletype 5620 terminals. These graphic terminals have an internal processor and different windows can be set up which represent different terminals. Hence two terminals are NOT necessary. The use of the Teletype 5620 terminals is then the same as the procedure outlined above, except each window represents a terminal.