USER>write "Hello World!"
Hello World!
USER>write !, "This", !, "Is", !, "A", !, "Multi-line", !, "Message!", !
This
Is
A
Multi-line
Message!
USER>write !, "This", ?9, "Is", ?18, "A", ?27, "Columnar", ?36, "Message!", !
This Is A Columnar Message!
USER>write 5*9
45
USER>