What is a Program?
A Program is a collection of instructions that the computer follows to try and do a specific job. As an average user of op…
What is Shell?
The shell is a program that executes the codes types by user at terminal. It is also known as command interpreter. It act…
What is Kernel?
The centre of UNIX operating system is the kernel. The kernel controls usage of the computer hardware and copes with the …
What are Device Files?
They're special files associated with numerous devices. They are collectively kept beneath the 'dev' directory…
What are Directory Files?
A Directory file stores information about a directory, its relationship with other directories, what files and subfiles a…
What are Ordinary Files?
These are the files that store data, such as text information and programs.
What is Interpreter?
Interpreter is a software that translate one origin instruction into object code and the computer immediately execute tha…
What is BIOS?
BIOS is Basic Input Output System . This is a collection of programs that is stored in the ROM in personal computers. The…
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