• Operating System
  • Introduction to Operating System
  • Types of Operating system
  • History of Linux Operating System
  • The architecture of the Linux Operating System
  • Functions of the Operating System
  • Components of the Operating System

• System Structure
  • Introduction to kernel
  • Types of Kernel
  • User space and kernel space
  • System call and its working

• Process
  • Process vs program
  • Section of the Process
  • States of a Process
  • Process Control Block
  • Attributes of a Process
  • Context switching
  • Termination of a process
  • Init, Zombie, Daemon, and Orphans process
  • Fork() System call
  • Exec Family System call
  • wait() and waitpid() API

• Threads
  • Thread Introduction
  • Types of thread
    • User-Level Thread
    • Kernel-Level Thread
  • Thread Attributes-TCB
  • Memory Layout of Thread
  • Characteristics of a Thread
  • Pros and cons of thread
  • Process vs thread
  • Thread Programming
    • Creating a thread(pthread_create)
    • Joining a thread(pthread_join)
    • Exiting a thread(pthread_exit)
    • Canceling a thread(pthread_cancel)
    • Detaching a thread(pthread_detach)
    • Thread create attributes(pthread_attr_init)
    • Odd-Even problem by two Thread

• Process Synchronization and Concurrency
  • Introduction to Process Synchronization
  • Critical Section
  • Race Condition
  • Mutex Exclusion(Mutex)
  • Semaphore
    • Introduction
    • Binary Semaphore
    • Counting Semaphore
  • Comparison-Binary &Counting semaphore
  • Comparison – Mutex and Semaphore
  • Spinlock
  • Condition Variables
  • Spinlock vs Mutex
  • When to use what: Mutex, Semaphore, and Spinlock
  • Producer and Consumer Problem Algorithm
  • Odd-Even problem by two Threads

• CPU Scheduling
  • Introduction to CPU Scheduling
  • Schedulers and its Goals
  • Types of schedulers
    • Long Term Scheduler
    • Medium Term Scheduler
    • Short Term Scheduler
  • Preemptive and Non-Preemptive Scheduling
  • Priority Inversion and its solution
  • CPU scheduling metrics and algorithm
    • First Come First Serve(FCFS)
    • Shortest Job First(SJF)
    • Shortest time-to-completion(STCF)
    • Round Robin
    • Priority Scheduling

• Deadlock
  • Introduction to Deadlock
  • Deadlock and its condition
  • Handling Deadlock
  • Starvation vs deadlock
  • Safe and Unsafe state

• Inter-process Communication
  • Introduction to Inter-process communication
  • Message Queue
  • Shared Memory
  • Pipes
    • Named Pipes
    • Un-named Pipes
    • Named Pipe vs Un-named Pipe
    • Named Pipe vs Regular File
    • Named Pipe Vs Socket
    • Broken Pipe Error(SIGPIPE)
  • Signals

• Sockets
  • Introduction to Sockets
  • Type of Sockets
    • Stream Sockets
    • Datagram Sockets
    • Raw sockets
  • Address Family of Sockets
    • AF_INET Address Family
    • AF_INET6 Address Family
    • AF_UNIX Address Family

• Socket Program
  • Socket API
    • socket(): Create a socket
    • bind(): Name a socket
    • connect(): Request a connection
    • listen(): Listen for a new connection
    • accept(): Accept a neew connection
    • send()/sendto():send data over connection
    • recv()/recvfrom(): Recv data over communication
    • close(): Close the connection
  • TCP Socket Program
    • Client Program
    • Server Program
  • UDP socket Program
    • Client Program
    • Server Program
  • Socket options
    • getsockopt(): Get the socketoptions
    • setsockopt(): Set the socket options
  • select(): Multi-client server programming
  • Host and Network Byte ordering:
    • inet_ntoa(): Netwrok to host order
    • inet_aton(): Host to Netwrok Order
    • inet_addr(): Host to Netwrok Order(depreciated)
  • Little-endian and Big-endian

Categories: Operating system (OS)