I'm using Ubuntu 13.04 , it can't read Arabic letters and words properly. that what I get when I open files contains Arabic, please notice that same files are showed correctly on windows:
ÇáÞÇäæä íÌÈÑ ÇáíåæÏ Úáì ÇáÚíÔ
ÈãäØÞÉ ãÚÒæáÉ ãä ÇáãÏíäÉ ÊÏÚì ÇáÌíÊæ