CLear - Immediately clear the graphics device.COlor - Change the default colour index.
CONtour - Produce a contour plot.
CPD - Change the plotting device.
CQuit - Clear the graphics device and return control to XSPEC.
CSize - Change the default character size.
Error - Control whether errors are displayed and used in fitting.
EXit - Exit PLT and return control to XSPEC.
Fit - Fit the PLT model to the data.
FNy - Evaluate the model at the specified location.
FOnt - Change the default text font.
Freeze - Freeze a parameter value.
GAp - Change the default gap size between the data and the edge.
Grid - Control the location of the major and minor tic marks.
Hardcopy - Make a file that can later be printed.
HElp - Obtain help on any PLT command.
Imodel - Numerically integrate the model over specified range.
LAbel - Add or remove labels from the plot.
LIne - Control whether a line is used to connect data points.
LOg - Control whether data is plotted using a
scale.
LStyle - Change the default style of the line connecting the data points.
LWidth - Change the default line width.
MArker - Control whether the data points are plotted with markers.
MOdel - Define a PLT model.
Newpar - Change a parameter value associated with the model.
Plot - Immediately re-plot the data.
PRompt - Change the ``PLT>'' prompt.
Rescale - Reset the minimum and maximum plot range.
SCr - Change the color representation of the specified color index.
SHow - Display the values of PLT internal variables.
SKip - Control how PLT divides data into vectors.
STatistics - Compute various statistical properties of the data.
THaw - Allow a parameter value to vary during a fit.
Time - Control whether the time stamp is plotted.
Uncertainty - Compute the uncertainty in a parameter value.
VErsion - Display date of the most recent modification to PLT.
Viewport - Control the size of the viewport plotting area.
WData - Write a QDP data file to disk.
WEnviron - Write both QDP data and header files to disk.
WHead - Write a QDP header file to disk.
WModel - Write a model file to disk.
Xaxis - Define the method used to calculate the x-variable.
Yaxis - Define the y-axis scale for a contour plot.
$ - Execute operating system commands.
@- Read commands from a PLT command (.PCO) file.