G00
Move in a straight line at rapids speed.
G01
Move in a straight line at last speed commanded by a (F)eedrate
G02
Clockwise circular arc at (F)eedrate
G03
Counter-clockwise circular arc at (F)eedrate
G04
Dwell: Stop for a specified time.
G09
Exact stop check
G27
Reference point return check
G28
Return to home position
G29
Return from the reference position
G30
Return to the 2nd, 3rd, and 4th reference point
G92 (alternate)
Clamp of maximum spindle speed
G94
Endface Turning Cycle
G96
Constant Surface Speed ON
G97
Constant Surface Speed Cancel
G98
Feedrate per Minute
G99
Feedrate per Revolution
G190
Radius mode
G191
Diameter mode