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Question 1 Discuss the following with respect to Operating Systems:
Question 2 Describe the theory behind Paging and Segmentation in Operating Systems.
Question 3 Describe the theory behind Space Management in File systems.
Question 4 Discuss the following concepts with reference to Unix Operating System:
Question 5 Discuss the concept of File substitution with respect to managing data files in UNIX.
Question 6 Discuss the following:
Utility Programs: those programs which are not the essential part of operating system. But they provide different utilities / features to the users e.g. MS-DOS : Fdisk, FORMAT, AT
list the prevention of mechanism for race condition with operating system
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Deadlock Detection and Recovery It's a method of permitting the system to enter a deadlock state, detect it and then recover. Deadlock detection : Is the process of
Define multithreading The proficiency of an operating system to execute different parts of a program called threads simultaneously is called as multithreading. A thread is a fl
We have talked about blocking locks, which voluntarily yield, and spinlocks, which just spin until they acquire the lock. At ?rst, it seems like spinlocks are verywasteful, and tha
What is Directory? The device directory or simply called as directory records information-such as name, location, size, and type for all files on that certain partition. The d
FCFS (First Come, First Served) Perform operations in order requested No reordering of work queue No starvation every demand is serviced Poor performance
What are the different accessing methods of a file? The different types of accessing a file are: Sequential access: Information in the file is accessed sequentially
Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates
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