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# Entering the Graphics Editor

Type mged filename, e.g.:

    mged s_axle.g
         mged shaft.g
         mged fred.g

where the filename is the name of the UNIX file in which your object description data is stored. It is conventional that the extension ``.g'' on the filename signifies a graphics file, and is a good practice, but is not required. If the named database does not already exist, MGED will ask if it should create a new database. MGED will ask:

``

%mged new.g
BRL-CAD Release 3.0 Graphics Editor (MGED)
Tue Sep 6 02:52:55 EDT 1988
mike@video:/cad/mged.4d
new.g: No such file or directory
Create new database (y|n)[n]? y
attach (nu|tek|tek4109|ps|plot|sgi)[nu]? sgi
ATTACHING sgi (SGI 4d)
Untitled MGED Database (units=mm)
mged>

Here, the italic type indicates the user's response: y instructs MGED to create the new database, and sgi instructs MGED to attach to a window on the Silicon Graphics (SGI) workstation.

Directives to the graphics editor are made by

1. entering information from the keyboard, shown here in the text by the use of italics,
2. using the stylus to select items from the menu (select), and
3. pressing buttons and twisting knobs on the function control box (press, twist).

The prompt for a command is `mged>`.

- Running MGED on a Silicon Graphics
- Running MGED on a Tektronix