Tonux, talvez não tenha nenhum arquivo, por que te passei o caminho errado.
erros de principiante, que acha que sabe alguma coisa...
segue o caminho correto agora:
/usr/share/maneu dei um comando ls neste diretório e observe que tem uma pasta de idiiomas chamada pt_br
root@ubuntu:/usr/share/man# ls -la
total 468
drwxr-xr-x 40 root root 4096 2007-09-27 21:14 .
drwxr-xr-x 405 root root 12288 2007-09-27 21:07 ..
drwxr-xr-x 6 root root 4096 2007-04-15 08:49 cs
drwxr-xr-x 2 uedson uedson 4096 2002-11-21 10:37 CVS
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 de
drwxr-xr-x 6 root root 4096 2007-07-06 15:10 es
drwxr-xr-x 4 root root 4096 2007-04-15 08:49 fi
drwxr-xr-x 6 root root 4096 2007-04-15 08:49 fr
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 fr.ISO8859-1
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 fr.UTF-8
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 gl
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 hu
drwxr-xr-x 4 root root 4096 2006-12-19 17:35 id
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 it
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 it.ISO8859-1
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 it.UTF-8
drwxr-xr-x 5 root root 4096 2007-04-10 18:46 ja
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 ko
drwxr-xr-x 3 uedson uedson 73728 2002-11-21 10:37 man1
drwxr-xr-x 3 uedson uedson 4096 2002-11-21 10:37 man2
drwxr-xr-x 3 uedson uedson 208896 2002-11-21 10:37 man3
drwxr-xr-x 3 uedson uedson 4096 2002-11-21 10:37 man4
drwxr-xr-x 3 uedson uedson 12288 2002-11-21 10:37 man5
drwxr-xr-x 3 uedson uedson 4096 2002-11-21 10:37 man6
drwxr-xr-x 3 uedson uedson 4096 2002-11-21 10:37 man7
drwxr-xr-x 3 uedson uedson 20480 2002-11-21 10:37 man8
drwxr-xr-x 2 root root 4096 2007-04-15 08:51 man9drwxr-xr-x 3 root root 4096 2007-07-29 21:25 nl
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 pl
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 pl.ISO8859-2
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 pl.UTF-8
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 pt_BRdrwxr-xr-x 6 root root 4096 2007-07-06 15:10 ru
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 ru.KOI8-R
drwxr-xr-x 3 root root 4096 2007-04-15 08:49 ru.UTF-8
drwxr-xr-x 3 root root 4096 2007-07-29 19:55 sk
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 sv
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 tr
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 zh_CN
drwxr-xr-x 5 root root 4096 2006-12-19 17:35 zh_TW
mas ainda não sei como atualizar as minhas man pages para o portuges. eu devo copiar os arquivos para dentro da pasta man ou para dentro da pasta de Idioma pt_br?
Quem souber e quiser nos ajudar..