Explain the different sections of a process.

    Entry section

    Critical section

    Exit section

    Remainder section

Consider a system inclusive of n processes {p0, p1,...,pn} . Every process has a called critical section, segment of code, in which the process perhaps updating a table, changing common variables, writing a file etc. The significant features of this system are that when one process is in critical section no other process is to be permitted to execute in critical section. Every process should request permission to enter its critical section. The section of code executing this request is the entry section. The critical section should be followed by an exit section and the remainder code is in the remainder section.