There are several environments that need to be defined in order for certain applications to function the way you expect them to, with regard to Arabic.
Setting locales +++++
$ export LC_ALL=en_US.UTF-8 $ export CHARSET=ISO_8859-6 $ export OUTPUT_CHARSET=UTF-8 $ export LESSCHARSET='UTF-8'
Please note that you can change the 'US' for the country code of wherever you are. So, if you are in Egypt you would put in 'ar_EG' (this applies to all of the above).