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Question :
a) What do you understand by a Directory Structure? Support your answer with a diagram.
b) Give an example how Access Lists and Groups are arranged to mode of access for read, write and execute of an object.
c) What do you understand by Virtual File Systems?
d) Describe the efficiency and performance of the File System
Implementation and its structure?
e) Describe briefly two examples of System Threats.
f) How are Threats monitored?
g) What methods are used to monitor Intrusion Detection?
Define UFD and MFD. In the two-level directory structure, every user has her own user file directory (UFD). Every UFD has a similar structure, but lists only the files of a one
Why are segmentation and paging sometimes combined into one scheme? Segmentation and paging are often combined in order to improve upon each other. Segmented paging is helpful
time-stamping It is a method proposed by Lamport, used to sequencing events in a distributed machine without the use of clocks. This process is intended to order events consis
define monolathic structure
Multi-user - A multi-user Operating System permits for multiple users to use the same computer at the same time and/or different times. Below are some instances of multi-user Op
what is it all about? why do we need? what are the types of backup? how is it done in unix?
Explain the Types of System Calls The major types of system calls are like this: a. Process Control: These types of system calls are employed to control the processes.
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
Discuss the high barriers to entry in the market for PL operating systems
Now let's implement bounded producer-consumer with semaphores, a Coke machine which is initially empty: semaphore sem_mutex = 1 // binary semaphore for mutual exclusion, 1==unlo
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