-display name
specifies the display on which to open a connection to the Display PostScript System. If no display is specified, the DISPLAY environment variable is used.
-fn font
specifies the name of the PostScript language font software to use. The default is Times-Italic.
-size size
specifies the size, in points, of the text. The default is 36.
-debug
specifies debugging mode. In debugging mode, all PostScript code sent to the server is printed out.
text_string
specifies the text to display. If the text has spaces it must be enclosed in quotation marks. The default text string is "Adobe".