Operating System

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Functions of Operating System :

Functions of Operating System Prof.S.G.Isave, Tilak College of Education, Pune-30 India

Operating System:

sgisave@ymail.com 2 Operating System A part of system s/w. System s/w is a collection of programs which control the overall functions of computer. Operating system is a program which monitors, controls and maintains the computer.

Functions :

sgisave@ymail.com 3 Functions Process Management. Resource Management. File Management. Communication Management. Security Management. Memory Management.

Process Management.:

sgisave@ymail.com 4 Process Management. All process from start to shut down. Booting. Open, Save, Install, uninstall, Copy, Delete, Print, Scan, Connect, Send, upload, download etc.

Resource Management. :

sgisave@ymail.com 5 Resource Management. Installing drivers required for input, output, memory, power, communication devices. Coordinating among peripherals. Keyboard – monitor – mouse – printer – scanner – webcam – speaker etc.

File Management.:

sgisave@ymail.com 6 File Management. Name. Folders. Location. Attributes – size, type, modified, protection, password etc.

Communication Management.:

sgisave@ymail.com 7 Communication Management. User – Application S/W – Hardware. One computer to other computer in LAN/WAN. Command interpretation. Downloading-Uploading. Showing messages to user including help.

Memory Management.:

sgisave@ymail.com 8 Memory Management. Primary memory - RAM-ROM. Secondary – Hard Disc, CD, DVD, Pen, Memory card etc. Using appropriate memories to execute task. Displaying memory status. Managing disc maintenance i.e. disc cleanup, defragmentation, my document, Recycle bin etc.

Security Management.:

sgisave@ymail.com 9 Security Management. Virus management. Alert messages. Dialogue boxes. Firewall setting. Passwords.

OS:

sgisave@ymail.com 10 OS OS takes care of all software and hardware devices to perform a task given by user. It is a gateway of a computer. os

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Some OS:

sgisave@ymail.com 12 Some OS Windows Linux Opera Google Chrome Macintosh MS DOS Unix Windows Server

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Download, improve, use and feedback !:

sgisave@ymail.com 14 Download, improve, use and feedback !