Errore di compilazione su un altro computer

Finite le vacanze e iniziati i problemi 🙂
Ho inviato un testo a una persona che però
non riesce a compilarlo. Mi ha mandato
il file di log, ma non capisco la natura del problema:
`This is pdfTeX, Version 3.1415926-2.3-1.40.12 (TeX Live 2011) (format=pdftex 2011.8.29) 29 AUG 2011 10:27
entering extended mode
restricted \write18 enabled.
%&-line parsing enabled.
**ezine.tex
(./ezine.tex
! Undefined control sequence.
l.1 \documentclass
[a4paper,titlepage]{book}
?
! Undefined control sequence.
l.2 \usepackage
{ezine}
?
! Undefined control sequence.
l.4 \begin
{document}
?
! Undefined control sequence.
l.5 \frontmatter

?
! Undefined control sequence.
l.6 \begin
{titlepage}
?
! Undefined control sequence.
l.7 \pdfbookmark
{Frontespizio}{Frontespizio}
?
! Undefined control sequence.
l.8 \begin
{center}
?
! Undefined control sequence.
l.9 \Sfondo
*{pics/copertina.jpg}
?
! Undefined control sequence.
l.10 \cleardoublepage

?
! Undefined control sequence.
l.11 \thispagestyle
{empty}
?
! Undefined control sequence.
l.12 \HRule

?
! Undefined control sequence.
l.13 \vspace
{\stretch{1}}
?
! Undefined control sequence.
l.13 \vspace{\stretch
{1}}
?
! Undefined control sequence.
l.14 {\textbf
{\Huge\color{maroon} Debianizzati \\
?
! Undefined control sequence.
l.14 {\textbf{\Huge
\color{maroon} Debianizzati \\
?
! Undefined control sequence.
l.14 {\textbf{\Huge\color
{maroon} Debianizzati \\
?
! Argument of \\ has an extra }.

\par

}
l.16 E-Zine}
}
?
Runaway argument?
\vspace {1cm} E-Zine
! Paragraph ended before \\ was complete.

\par

}
l.16 E-Zine}
}
?
! Undefined control sequence.
l.17 \vspace
{\stretch{1}}
?
! Undefined control sequence.
l.17 \vspace{\stretch
{1}}
?
! Undefined control sequence.
l.19 {\textbf
{\Large prodotto da \textsf{debianizzati.org}}}
?
! Undefined control sequence.
l.19 {\textbf {\Large
prodotto da \textsf{debianizzati.org}}}
?
! Undefined control sequence.
l.19 {\textbf {\Large prodotto da \textsf
{debianizzati.org}}}
?
! Undefined control sequence.
l.20 \vspace
{\stretch{2}}
?
! Undefined control sequence.
l.20 \vspace{\stretch
{2}}
?
! Undefined control sequence.
l.22 {\textbf
{\Large Numero 5\hfill dicembre 2010}}
?
! Undefined control sequence.
l.22 {\textbf {\Large
Numero 5\hfill dicembre 2010}}
?
! Undefined control sequence.
l.23 \HRule

?
[1{/usr/local/texlive/2011/texmf-var/fonts/map/pdftex/updmap/pdftex.map}] )
Output written on ezine.pdf (1 page, 16681 bytes).
PDF statistics:
12 PDF objects out of 1000 (max. 8388607)
7 compressed objects within 1 object stream
0 named destinations out of 1000 (max. 500000)
1 words of extra memory for PDF output out of 10000 (max. 10000000)

`

Grazie
M.