% cat sample2.tex
 \def\name{Masui}
 Hello, \name!
 \end
 % tex sample2.tex
 This is TeX, Version 3.141592 (Web2C 7.5.4)
 (./sample2.tex [1] )
 Output written on sample2.dvi (1 page, 224 bytes).
 Transcript written on sample2.log.
 %