EDGR

OPEN

 Syntax: EDGR OPEN { filename }

 An EDGR drawing file will be opened. If filename is not entered, it will
 be interactively requested. Do not give a file extension, for example,
 just enter FILE, do not enter FILE.DAT.  All graphics subsequently done
 will be entered into the drawing file, that is, DWG and DWT, until
 EDGR CLOSE, or EDGR OPEN again, is entered. Commands that alter the
 plotting units, that is, ORIENTATION, SET UNITS, DEVICE, and MIRROR
 should be entered before opening an EDGR file.

EDIT

 Syntax: EDGR EDIT

 This invokes the graphical editor. See the EDGR User's Guide for details
 about how to edit graphics. 

CLOSE

 Syntax: EDGR CLOSE

 If a drawing file is open, this command will close that drawing file.
 No more graphics will be inserted into that file. If no file is currently
 open, then this command does nothing.

FRAME

 Syntax: EDGR FRAME

 If a drawing file is open, this command will open another frame within
 that file. See the EDGR User's Guide for details about frames.