avinhacks / ostemp

OS

Codes for my Operating Systems' Class

Assignments

Complete OS Assignment Aims are included in Assignments.md

Assignment 1 : Shell Programming

Assignment 2 : Process Control System Calls

Assignment 3 : Multi-Threading

Assignment 4 : Thread Synchronization using Counting Semaphores

Assignment 5 : Thread Synchronization and Mutual Exclusion using Mutex

Assignment 6 : Deadlock Avoidvance using Semaphores (Dining Philosophers' Problem)

Assignment 7 : Inter Process Communication using Anonymous and Named Pipes

Assignment 8 : Inter Process Communication using Shared Memory

Assignment 9 : File Handling System Calls

Assignment 10 : Kernel Compilation

Sample Programs

Sample Programs are simple programs used to demonstrate concepts used in the final assignment. All Sample Programs like creating a Thread, that prints Hello World, are saved in a Folder called Sample Programs in their Respective Assignments. i.e. The above Program is saved in

'Assignment 2/Sample Programs'

unistd.h not Found Error

Resolve this Error by installing g++ compiler

sudo apt install g++

Now you should be able to compile your .c Files

Compiling Programs with Multi-Threading

gcc -pthread demo.c

This is done to explicitly tell gcc to include pthread Library during compilation.

Credits

Sample Shell Programs (Assignment 1) : Neeraj Lagwankar

Assignment 2 : Abhijeet Nawale

Assignment 6 : Suraj Kulkarni

Assignment 10 : Chinmay Bhate

Writeups : Gauri Karekar