🚀 go-pugleaf

Perhaps a stupid question, but I am new at POSTSCRIPT.

If one defines a user font, say consisting of one special character, does
that font stay in the (memory?) in POSTSCRIPT until the machine is
turned off?, or do you have to define the font each time you send a
POSTSCRIPT file to the printer in order to use it?

I have a font that someone gave me, and it will print when I do the
"moveto's" and "show's" in the same file as the font is defined, but
if I send the font definition to the printer, and then right after thats
done, send a file to use the previously defined font, it does not
print from the defined font, it uses the Courier font (I assume as
the default).

The second file, to use the font looks like:

erasepage newpath initgraphics
/myfont findfont 12 scalefont setfont
300 300 moveto
(b) show
showpage

Any help would be nice.