~/Documents/psm/TRPEX$ ls -altr  ~/Documents/psm/TRPEX
total 36
-rwxr-xr-x 1 nizar nizar 14536 Sep 22  2010 trpex
-rw-r--r-- 1 nizar nizar  1071 Sep 22  2010 README.txt
-rw-r--r-- 1 nizar nizar  1231 Sep 22  2010 LEGGIMI.txt
drwxr-xr-x 3 nizar nizar  4096 Sep 22  2010 .
drwxr-xr-x 2 nizar nizar  4096 Sep 22  2010 sources
drwxrwxr-x 3 nizar nizar  4096 Sep 30 14:09 ..