1. 1 user 1 Task Multi user 1 Task Multi user Multi Task Real time
Some OS…
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a. Hardware
b. firmware
c. Software
►Application Softwares
Ex: MS Word, Spread Sheet,,
Computer Games, Web Engines
►System Software
►Operating System
►Utility software
►Language Translation
►Assembler
►Compiler
►Interpreter
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Windows
Mac
Ubuntu
Android
Hanthana Linux
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Single user
Multi user
Multi tasking
Real times
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1. Hardware fis Kfhik nra;jy;
Process management
Memory management
Device management
File management
Security management
Network management
2. User Interface I toq;Fjy;
CLI – Common Line Interface
GUI – Graphical Line Interface
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Disk Partition
Disk Formatting
Defragmentation
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