In order to take courses for upcoming semester students are required to complete

the advising procedure. According to the procedure a student needs to request for his$/$her desired

courses to the designated advisor. When an advisor receives an advising request from a student

he$/$she adds courses according to the preference of the students if no anomalies occur. After

adding courses the advisor approves the advising and it gets completed. After the completion of

advising, the students gets registered to added courses and information of registered courses gets

added to his$/$her dashboard.

Explain with proper reason which operation of OS is similar to the scenario described above and

which portion of the scenario represents functions of system calls.