README.md

S4 Operating Systems Lab

This repository is dedicated to storing programs necessary for the Operating Systems lab sessions conducted in Semester 4 for KTU students (2019 Syllabus).

Table of Contents

• Programs

  • Shell Programming
  • System Calls
  • Scheduling Algorithms
  • Inter-Process Communications
  • Memory Management
  • Page Replacement Algorithms
  • Semaphores & Related Problems
  • Disk Scheduling Algorithms
  • File Allocation Algorithms

• Contributors

Programs

1. Shell Programming

   • Printing Patterns:
     • Diamond
   • File Or Directory
   • String Palindrome
   • Fibonacci Series

2. System Calls

   • Creating A Process Using fork()
   • Creating A Sub-Process Using fork() and exec()

3. Scheduling Algorithms

   • FCFS Scheduling
   • SJF Scheduling Preemeptive & Non-Preemptive
   • Priority Scheduling Preemeptive & Non-Preemptive
   • Round Robin Scheduling

4. Inter-Process Communications

   • Inter-Process Communications Using Shared Memory

5. Memory Allocation Algorithms

   • First Fit Algorithm
   • Best Fit Algorithm
   • Worst Fit Algorithm

6. Page Replacement Algorithms

   • FIFO
   • LFU
   • LRU

7. Semaphores & Bankers Algorithm

   • Semaphore Implementation
   • Binary Semaphore
   • Producer-Consumer Problem Using Semaphore
   • Bankers Algorithm

8. Disk Scheduling Algorithms

   • FCFS
   • SCAN
   • C-SCAN

9. File Allocation Algorithms

   • Contiguous Allocation
   • Linked Allocation
   • Indexed Allocation

Contributors

• Navneet Ranjish Pillai
• Niranjay Ajayan
• Noel George C J