The set-user-id facility in Unix can be used to form the basis for the implementation of a wide variety of diierent security policies in Unix. We show how the Chinese Wall security policy can be implemented using this facility. The approach is not appropriate for security critical applications: it serves to illustrate that it can be done in a rather simple way, and may be useful for less critic...


 Basically, Islamic religious instructors have a very important role in society and empower themselves as to show successful they are counselling guidance community. Religious also the leading sector of community guidance, which has duties or obligations that quite heavy, broad problem face even more complex. certainly not alone carrying out heavy mandates, must act motivators, facilitato...

Robat, along with educational institutions, helped to spread scientific and religious life in Baghdad. Ribat Sheikh Al-shuyukh was one of the Robat which served scholars Sufis students science since its establishment 450H./1058AD. Until Mongols entered Baghdad year 656H./1258AD. Al- shuyukh received official sponsorship from Caliphate Foundation, Seljuk state represented by minister Nizam al-Mu...