Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
List and describe the syntax of time related system calls. Which are the actions taken by kernel while unmounting a file system?
What are block and character device switch tables? Which system call is used to create the device file?
What do you mean by callout table? What is its usage? What is inode reference count? What do you mean by inode reference count= 0 and inode reference count > 0?
Explain with an appropriate diagram the logical structures of Active Directory components. Explain in detail the FAP (File Access Permissions) for a file using the chmod command.
You have been posted as a System administrator for the Help Desk division of a legal firm situated in Ebene (Head Office). The firm has several branch offices spread over the island.
What do you mean by scheduling? Describe about Round robin scheduling algorithm with appropriate example.
Consider a system in which it is desired to separate policy and mechanism for the scheduling of kernel threads. Suggest a means of achieving this goal.
What do you mean by memory management? What are the deadlocks –system models? Also classify dead states.
Discuss virtual memory management. Describe demand paging & page replacement algorithm.
Describe the concepts of Segmentation and Paging of a Virtual memory.
Explain mutual exclusion primitives. Describe Dekker’s Algorithm of mutual exclusion primitives.
What is Highest Response Ratio Next Scheduling? How does it overcome the starvation problem of the SJF.
Write the Peterson’s algorithm for the mutual exclusion problem and describe for the same.
How does surveillance programs are used in the threat monitoring?
Explain some checks a surveillance program might make to find out, if a user is attempting to corrupt a critical file.
Make a comparison of the given disk scheduling algorithms:
Define the term Semaphore primitives and describe Semaphore mechanism with an example.
Explain the Objectives and functions of Operating System. Also describe the different services given by the operating system.
What is ‘Mutual Exclusion’? Write pseudo code to implement mutual exclusion using:Test and Set instruction and Swap instruction. Evaluate the performance of FCFS, SJF and RR (Quantum = 10
Disk requests come in to disk driver for cylinders 10, 22, 20, 2, 40, 6, and 38, in that order. A seek takes 6 mes per cylinder moved. How much seek time is required for First-come, first served,Clo
Your task is to write a shell script named sysManage, which goes through the home directories in a Unix/Linux System and conducts the following menu operations.
A shell offers a command line interface for users. It interprets user commands and carries out them. Some shells offer simple scripting terms like if or while, and permit users to make a program tha
Write a multi-threaded program to solve producer and consumer problem. There are two types of worker thread: producer and consumer. A producer thread randomly generate an integer between 0-100and put
Compare contiguous-memory allocation with pure paging in the following aspects:In support of dynamic memory allocation: most systems allow programs to allocate more memory to its address space during
According to the paper, what is the problem with the current deadlock detection approaches