HELP [name] - prints an explanation of command "name" Without an argument, HELP prints a one line description of all builtin commands. With an the name of a command as an argument, HELP prints more information on that command.
CCD [command] - CCD camera commands.
COM [command] - General Command Interpreter commands for thee system.
DATA [command] - Data-buffer manipulation commands. See also INST.
GRAPH [command] - Plotting commands for vector graphics.
INST [command] - Generic commands applicable to all instruments. See also DATA.
MONGO [command] - Lower-level documentation of vector plotting commands.
REDUCE [command] - Reduction programs. If no argument, same as REDUCE ALL.