Write a brief description about the system calls

Assignment Help Operating System
Reference no: EM13692254

Quesiton 1) Write a brief description about the following system calls used in Unix/Linux. Add information such as parameters, resources used, expected results/return values, and possible error conditions.

(Hint: use the man pages)

  • Open
  • Close
  • Read
  • Write
  • Fork

Question 2) Explain which of the following systems calls should be privileged and why.

a. Manipulating data in physical memory

b. Set the value of the timer

c. Switch to kernel mode

d. Acess IO device

e. Check the current list of running processes

Explain each and every question in depth with examples.

Reference no: EM13692254

Questions Cloud

Evaluate the competitive applications of technology : Analyze how time of entry, industry trends, corporate culture, and other factors affect competitive advantage. Explain your answer- Evaluate the competitive applications of technology.
How well did the ipremier company perform : How well did the iPremier Company perform during the seventy-five minute attack ? If you were Bob Turley, what might have you done differently during the attack AND explain why
When a process is multithreaded : Explain the differences, advantages, and disadvantages between user and kernel threads. What are the advantages and disadvantages of a lightweight process?
Differences between a process and a program : During its lifetime a process goes through several different "states". Explain each state and what events cause the state transitions.
Write a brief description about the system calls : Write a brief description about the system calls used in Unix/Linux. Add information such as parameters, resources used, expected results/return values, and possible error conditions.
Symmetric and asymmetric multiprocessing : Explain the difference between symmetric and asymmetric multiprocessing.
How do interrupts help facilitate multiprogramming : Polling and interrupts are two ways used by operating systems to check whether I/O is done - How do interrupts help facilitate multiprogramming?  Give an example with your explanation
Write a java program that prompts the user : Write a Java program that prompts the user to input three numbers.  This program should then output the numbers in an ascending order.
Standards organizations utilized in this industry : Discuss the various standards organizations utilized in this industry - coordinated industry overview?

Reviews

Write a Review

Operating System Questions & Answers

  Network crashes are hypothesized

Assume we are using Lamport's hash, and Bob's system crashes before receiving Alice's reply to a message.

  Provide the design and justification for your mechanism

Provide the design and justification for your mechanism that supports process dispatching and discuss the design advantage and disadvantage of each approach throughout the process lifecycle.

  The purpose of this program is to change such that it makes

the purpose of this program is to change such that it makes use of the ipc facilities provided by unix.masterbull

  A 2.5 ghz pipelined mips processor

While working with a 2.5 GHz pipelined MIPS processor which has a L2 cache unit miss penalty of 10 ns and a memory miss penalty of 50 ns, determine the Effective CPI for a program with a 0.4% instruction miss rate, 11.4% data miss rate, a L2 miss rat..

  Categorize the efficiency in terms

Consider the followimg nested loop contruct. Categorize the efficiency in terms of the variable n using "big-O" notation. Suppose the statements represented by the elipsis

  Performance of a computer

Set-up a paper describing with some detail the following topics of computer processing: Each of the twenty items listed should be adequately addressed.

  Show possible interleavings of the execution

A concurrent program with 2-procedure, p and q, defined as follows, A,B,C,D, and E are arbitrary atomic statements. Suppose that the main program does a parbegin of the two procedure.

  Virtual machine design

In a virtual machine design where guest operating systems are independent virtual machines supported by a host operating system, what factors are involved in choosing the host operating system?

  Use wireshark tool to capture packets when you download

use wireshark tool to capture packets when you download lecture 1 from the coit20229 course webpage. before you

  Multitasking scheduling schemas

Think about a particular system that does not have an interrupting clock. The only way a procedure can lose the processor is to voluntarily surrender it.

  C language program to remove vowels from text

Create a function isvowel() that test whether or not character is a vowel. Use function in a program that reads standard input document and writes to the standard output document,

  What is average rotational latency if seek time is given

5 Disk, seek time, latency, sector, request Single-platter disk rotation speed: 7200 rpm number of tracks on one side of platter. What is avg rotational latency?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd