drwxr-xr-x 2 edrx edrx       4096 Jul 23  2013 ./
drwxr-xr-x 8 edrx edrx       4096 May 13 16:34 ../
-rw-r--r-- 2 edrx www-data    123 Apr 11  2013 README.txt
-rw-r--r-- 2 edrx www-data 182667 Apr 11  2013 concurso_eng_petroleo.pdf