ref: eff7165c2ac8f4f1de511f87c6f68ecbdf0b3a1e dir: /sys/src/cmd/postscript/misc/setbaud.ps/
% % Sets baud rate to 9600, options to 0 assuming the password is 0. % serverdict begin 0 exitserver statusdict begin 25 9600 0 setsccbatch end