Basic operating systems concepts

• Multi user systems
• Multi tasking
• Users and groups
• security
• open source and closed systems
• different distributions
• difference between Linux and windows

Kernels

• What is kernel
• Kernel architecture
• Different type of kernels
• Monolithic kernel
• Micro kernel
• Modular kernel
• Kernel versions
• Preemptive kernel
• Non preemptive kernel

Overview of Unix file system

• Root – super user’s directory
• Dev – device files
• Home – user directory
• Etc – system configuration
• Boot – boot files
• Bin – executable commands
• Usr – system directory
• Sbin – executable commands
• Boot Process/Boot strapping
• Different types of run levels in Linux
• Switching between terminals

CUI (Command Line Interface), GUI (Graphical User Interface)

• What is Shell and Shell Programming?
• Bourne shell
• Korne shell
• C shell
• Borne-Again shell
• Complete Linux Commands and how to use the commands
• How to write shell scripts and execute it in Linux
• Introduction to Qt (GUI) and how to write a GUI program in Linux

Different stages of Compilation

• Pre-processing
• Assembler
• Relocatable binary
• Linking
• How to write a program in Linux and to compile the program into different stages, final execution of the program

Linkers and Loaders

• What is Linker and functionality of the linker?
• How it links the different program modules
• What is loader and functionality of the loader?
• How loader loads the program on to the memory
• How to create the project modules and link them by using gcc

IPC (Inter Process Communication)

• IPC introduction
• Why IPCs
• Half-duplex UNIX pipes
• Named pipes (FIFO)
• Message queues
• Semaphores

Processes

• What is process?
• Difference between process and program
• Process address space
• What is process id and how it loads in the memory
• Process descriptor
• Context switching
• Different process states
• Creating processes (fork)

Signals

• Overview of signals
• The role of signals
• Sending signal
• Receiving signal

System calls

• Overview of system call
• Difference between api and system calls
• How to write System calls
• How to add System Calls

Socket Programming

• OSI model
• Overview of sockets
• Domains and address families in depth
• Address conversion functions in depth
• Socket types and protocols in depth
• Binding Address in depth
• Connectionless oriented protocols in depth
• Connection oriented protocols in depth
• Connectionless oriented protocols for server
• Concurrent client server with examples
• TCP/IP client server examples
• UDP/IP client server examples

Overview of device drivers

• Introduction to Modular Programming
• Difference types of Drivers
• How to write a simple device driver

Kernel Compilation

NOTE: The above concepts will be explained with real time examples on the system