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Write down the major issues concerning security in the UNIX environment. Illustrate out some techniques of Desktop Protection.
Compute the efficient instruction time on this system, supposing that the system is running one process only and that the processor is idle throughout drum transfers.
To make a robust distributed system, describe its three possible kinds of failure. Explain which of the failures are as well applicable to the centralized system.
Illustrate the differences between the user-level threads and kernel-level threads? Under what conditions is one type better than the other?
Explain in brief the Master-Slave, Symmetric and Floating Supervisor types of Multiprocessor OS.
Describe the term operators and text objects techniques in UNIX system. Illustrate out the significance of the UNIX system administration.
Illustrate out various process state transitions in detail. Illustrate out the fixed partition multiprogramming.
Describe Synchronous and Asynchronous RPC (or Remote Procedure Call) method with an illustration.
Explain why are segmentation and paging sometimes joined to one scheme?
What do you mean by critical-section problem? Illustrate the three requirements which consists of a solution to the critical-section problem should satisfy?
How synchronization is accomplished in Distributed Operating System by using Mutex?
What do you mean by compaction? How is it employed to decrease external fragmentation in the memory management?
Illustrate the role of Interrupt Handlers in the device management.
Illustrate different functions and system calls employed for file locking. Write down a C program to execute two-way communication using pipes.
Illustrate out different text processing utilities with clear syntax and illustrations. Make a distinction between dup and dup2 systemcalls.
Explain the method used for the synchronization of multiple processors in the parallel computing.
What do you mean by degree of multiprogramming? Explain the multiple partition memory allocation giving its merits and demerits.
How a multiprocessor operating system is distinct from the multiprocessing operating systems?
Illustrate the functions performed by each and every layer of the OSI Model? Describe in brief.
Illustrate the global substitution string function format with an illustration. What is the employ of toupper & tolower functions, describe them with the appropriate illustration.
Write down a program to create a process zombie process. Illustrate out the term process? Illustrate out waiting for a process in detail.
Illustrate the different file access methods? Describe Sequential access method. How it can be simulated on direct access file?
Write down a brief notes on process management commands. Illustrate out the term UNIX shell. Illustrate out shell environment.
List all the five series given by operating system. Describe the storage management feature of the operating system.
Describe the different system security methods.