Please, explain why it asks something like this.
$ latex full.tex
...
l.5 \begin{document}
(Press Enter to retry, or Control-D to exit; default file extension is `.tex')
Please type another output file name:
.full.tex -file
\documentclass{article}
\begin{document}
\section{Hello 1}
hello my name is \"{a}.
\section{hello my 2}
dad \"{o}aeoeu\"{a}!
\end{document}
[Comment] not writing -permission issue or privilege -issue
$ ls -lsa .full.tex
4 -rwxrwxrwx 1 tester tester 160 2011-09-24 02:42 .full.tex
Alert: Do not do this on your machine, abusing root.
# latex .full.tex
This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009/Debian)
entering extended mode
(./.full.tex
LaTeX2e <2009/09/24>
Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh
yphenation, loaded.
(/usr/share/texmf-texlive/tex/latex/base/article.cls
Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
(/usr/share/texmf-texlive/tex/latex/base/size10.clo))
No file .full.aux.
latex: Not writing to .full.aux (openout_any = p).
! I can't write on file `.full.aux'.
\document ...ate \openout \@mainaux \jobname .aux
\immediate \write \@mainau...
l.5 \begin{document}
(Press Enter to retry, or Control-D to exit; default file extension is `.tex')
P.s. I forget to mention -- I am using 11.04 Ubuntu at the moment, not yet tried on other machines. Maybe OS-related prob.
openout_anymay relax the restriction) – user202729 Dec 10 '21 at 17:04