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PyXPlot uses the Gnu Readline commandline environment, which means that the up and down arrow keys can be used to repeat previously executed commands. Each user's command history is stored in his homespace in a history file called `.pyxplot_history', allowing PyXPlot to remember command histories between sessions. Additionally, a save command is provided, allowing the user to save his command history from the present session to a text file; this has the following syntax:
save 'output_filename'
From the shell commandline, the PyXPlot accepts the following switches which modify its behaviour:
| -h -help | Display a short help message listing the available commandline switches. |
| -v -version | Display the current version number of PyXPlot. |
| -q -quiet | Turn off the display of the welcome message on startup. |
| -V -verbose | Display the welcome message on startup, as happens by default. |
| -c -colour | Use colour highlighting3.1 to display output in green, warning messages in amber, and error messages in red.3.2 These colours can be changed in the terminal section of the configuration file; see section 4.1 for more details. |
| -m -monochrome | Do not use colour highlighting, as happens by default. |