This is pdfTeX, Version 3.1415926-2.3-1.40.12 (TeX Live 2011) (format=pdflatex 2013.1.7)  28 FEB 2013 10:54
entering extended mode
 restricted \write18 enabled.
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**hw2
(/usr/local/texlive/2011/texmf-dist/tex/latex/tools/x.tex
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                   \begingroup 
l.1 
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? x
 
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 256 string characters out of 3142405
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 3640 words of font info for 14 fonts, out of 3000000 for 9000
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 1 words of extra memory for PDF output out of 10000 (max. 10000000)