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...

Background. Considering the position and importance of sports federations in Iran and their very important duties and dependence on the Ministry of Sports and Youth in terms of financial resources, they must be responsive to their performance in providing services and implementing their programs. The duties are namely the development and promotion of sports at the public and championship levels...

the present article is about the character and performance of the teacher o f russian language in iran . in the article we have tried to investigate the role of the russian language teacher and his / her duties in the educational system o f the university of tehran . according to the authors of the article , among all other duties of a language teacher the motivational - stimulational task is t...

Gliwa et al. (2012) focus their analysis of researcher obligations for incidental findings in genomic research on three criteria: (1) the benefit to the research participant, which requires strong associations with severe disease that has medical actionability; (2) unique access to the information and analysis; and (3) the burden that looking and returning incidental findings places on the rese...

Despite the existence of fraud in churches, little research has been done regarding the level of internal control implementation in these entities. Internal controls, particularly the basic control of duty segregation, allow an organization to protect itself from employee theft and fraud. This study attempts to determine the level of segregation of duties implemented in churches, as well as the...

In this paper, the qualifications considered essential by teaching professionals to be effective in pedagogical and didactic work are put together based on the results of a national survey carried out in Greece, to which secondary education teachers of all subjects contributed. One of the aims of this study was to systematically record the qualifications deemed essential by teachers for them to...