This is TeX, WAITS Version 0.96 (format=plain 83.3.17)  22 MAR 1983 02:42
**\tracingall

*\read0 \myname
{\read}

\myname=don

*\message{Hello, \myname!}
{\message}

\myname ->don 
Hello, don !
{blank space}

*\bye

\bye ->\vfill \supereject \end 
{\vfill}

\supereject ->\par \penalty -20000 
{\par}
{\penalty}
{\end}
 
Here is how much of TeX's memory you used:
 1 strings out of 1236
 6 string characters out of 10171
 111&5324 words of memory out of 25000&33001
 896 multiletter control sequences out of 2100
 20524 words of font info for 79 fonts, out of 25000 for 100
 13 hyphenation exceptions out of 307
 1i,0n,0p,26b,6s stack positions out of 80i,40n,30p,500b,600s

No output file.