OS-programs

All the Operating System Lab programs are Here

1. Write a C programs to implement UNIX system calls and file management.

   a) Fork () System Call:

   b) Wait () and Exit () System Calls

   c) Execl () System Call:

   d) Exclp () System Call:

   e) Execv () System Call:

   f) Zombie Process:

   g) Orphan Process

   h) File Management:

   i) Directory Hierarchy: /* Recursively descend a directory hierarchy pointing a file */

2. Write C programs to demonstrate various thread related concepts.

3. Write a C Programs to Simulate the Following CPU Scheduling Algorithms.

   1. FCFS CPU Scheduling Algorithm.
   2. SJF CPU Scheduling Algorithm.
   3. Round Robin CPU Scheduling Algorithm.

4. Write a C Program to Simulate IPC Techniques.

   1. Pipes : p1 : [Creating FIFO / Named PIPE.] p2 : [A Writing to a FIFO / Named PIPE.] p3 : [Reading from the Named PIPE.]
   2. Un – Named PIPE : P1 : Program for IPC using Message Queues to send data to a message queue. P2 : Program for IPC using Message Queues T]to receive/read message from the above – created message queue.
   3. Shared Memory. P1 : A Program for Shared Memory Sender. P2 : A Program for Shared Memory Receiver.

5. Write a C Program to Simulate Classical Problems of Synchronization.

   1. Readers – Writers Problem. P1: (mesg.h) Readers – Writers Problem Using Massage Passing. P2: (sender1.c) Readers – Writers Problem Using Massage Passing. P3: (receiver1.c) Readers – Writers Problem Using Massage Passing.
   2. Producers – Consumers Problem. P1: (shmem.h) Producer – Consumer Problem Using Shared Memory. P2: (sender.c) Producer – Consumer Problem Using Shared Memory. P3: (receiver.c) Producer – Consumer Problem Using Shared Memory.
   3. Dining Philosophers Problem. P1: (smop.h) Dinning – Philosophers Problem Using Semaphores P2: (dinning.c) Dinning – Philosophers Problem Using Semaphores

6. Write a C Program to Simulate Bangers Algorithm for

   1. Deadlock Avoidance.
   2. Deadlock Detection

7. Write a C Program to Simulate all Page Replacement Algorithms.

   1. FIFO Page Replacement Algorithm.
   2. LRU Page Replacement Algorithm

8. Write C programs to simulate implementation of Disk Scheduling Algorithms.

   1. FCFS Disk Scheduling Algorithms.
   2. SSTF Disk Scheduling Algorithms.