What is shell?

What is shell? The shell is the utility that processes your request.When you type in a command at your terminal,the shell interprets the command and calls the program that you want.the shell uses standard syntax for all commands.C shell,Bourne shell and Korn shell are the most famous shells which are available with most of the […]


What is linux?

What is linux? The linux operating system is a program that act as a link between the computer and user. The computer programs that allocate the system resources and coordinate all the detail of the computers internals is called the operating system. Users communicate with the kernel through a program known as the shell.The shell […]

whatis windows

What is UEFI?

What is UEFI : UEFI stands for Unified Extensible Firmware Interface.It is a replacement of Basic Input Output system (BIOS).In the modern computer this specification is for a software program that connects a computer’s firmware to its operating system.In modern PC’s UEFI replace the BIOS.Like the BIOS,the UEFI is installed at the time of manufacturing and this […]