Operating SystemsSimulator
Master OS concepts with interactive simulations covering process management, memory management, storage systems, and more - designed for university examinations.
Process Management
CPU Scheduling algorithms and process synchronization
CPU Scheduling
FCFS, SJF, SRTF, Priority, Round Robin scheduling
💡 Focus on Gantt charts and calculating average waiting/turnaround time
Process Synchronization
Producer-Consumer, Readers-Writers, Dining Philosophers
💡 Understand semaphores, mutexes, and critical section problems
Deadlock Handling
Deadlock detection, prevention, and recovery algorithms
💡 Master Banker's algorithm and resource allocation graphs
University Exam Info
Calculate turnaround time, Solve deadlock scenarios, Design synchronization solutions
Real-World Applications:
Memory Management
Virtual memory and page replacement strategies
Page Replacement
FIFO, LRU, LFU, Optimal page replacement algorithms
💡 Practice page fault calculations and hit ratio analysis
Memory Allocation
First Fit, Best Fit, Worst Fit allocation strategies
💡 Understand fragmentation concepts and memory utilization
Virtual Memory
Paging, segmentation, and address translation
💡 Focus on page table structures and address mapping
University Exam Info
Solve page replacement problems, Calculate memory utilization, Design page tables
Real-World Applications:
Storage Management
Disk scheduling and file system algorithms
Disk Scheduling
FCFS, SSTF, SCAN, C-SCAN, LOOK, C-LOOK algorithms
💡 Master seek time calculations and draw disk head movement diagrams
File Allocation
Contiguous, linked, and indexed allocation methods
💡 Compare allocation methods and understand directory structures
Directory Management
Single-level, two-level, tree-structured directories
💡 Design directory structures and understand path resolution
University Exam Info
Calculate seek time, Design file allocation tables, Compare scheduling algorithms
Real-World Applications:
I/O Management
Input/Output scheduling and device management
I/O Scheduling
FCFS, SSTF, SCAN I/O request scheduling
💡 Understand device drivers and interrupt handling
Buffer Management
Single, double, and circular buffering strategies
💡 Master buffering concepts and data transfer mechanisms
Device Management
Device drivers, interrupt handling, DMA
💡 Focus on hardware-software interface and I/O optimization
University Exam Info
Design I/O systems, Explain device management, Compare I/O methods
Real-World Applications:
System Calls & API
Interface between user programs and operating system
System Call Interface
File, process, memory, and communication system calls
💡 Understand system call mechanism and parameter passing methods
User-Kernel Interface
Mode switching, kernel entry, and system call handling
💡 Focus on execution mechanism and context switching
API Design
System call categories and programming interfaces
💡 Know different types of system calls and their applications
University Exam Info
Explain system call mechanism, Compare with function calls, Design system call interface
Real-World Applications:
University Focused
All OS simulations include detailed step-by-step solutions formatted for university examination answers, with proper algorithmic steps and performance calculations.
Exam Format
Solutions formatted for university answer sheets
Algorithm Analysis
Time complexity and performance calculations
Syllabus Aligned
Covers complete MU OS curriculum
Operating Systems Quick Reference
Process Management
- • CPU Scheduling
- • Process Synchronization
- • Deadlock Management
Memory Management
- • Virtual Memory
- • Page Replacement
- • Memory Allocation
Storage Systems
- • Disk Scheduling
- • File Systems
- • Directory Structures
I/O Management
- • I/O Scheduling
- • Buffer Management
- • Device Management
System Calls
- • System Call Interface
- • User-Kernel Mode
- • Parameter Passing