System Software :

Operating System Fundamentals

What the operating system does?

Operating system basics

a type of system software

OS for Machinery, Networks and Business

UNIX, Green Hills Software INTEGRITY,Free RTOS

OS for Personal Use

comprised of operating system and utility programs

OS - Coordinates and directs the flow of data and information

User Interface - enables user to interact with the computer

Command-driven interface

Menu-driven interface

Graphical user interface (GUI)

Manage memory and storage

Manage computer hardware and peripheral

Plug and Play (PnP) - Facilitate the installation of new hardware in PCs by including in the OS the drivers these devices need in order to run

Device driver - facilitates communication between the device that attached to the computer and the OS.

RAM borrowing hard drive space when there isn't enough room. (Virtual memory)

Manage the processor

Interrupt handler

Preemptive multitasking

The Spooler - coordinate all print jobs currently being sent to the printer

File Management

Naming files

File Compression

Open, Copy, Move, Rename and Delete files.

Utility Programs - small applications that perform special functions.

Windows Administrative Utilities

File and System Backup Utilities

Disk Cleanup

Disk Defragmenter

Task manager and Resource Monitor

File history , file recovery

System restore

File history

system restore