What does shell mean in computer terms?

Shell is a UNIX term for the interactive user interface with an operating system. The shell is the layer of programming that understands and executes the commands a user enters. In some systems, the shell is called a command interpreter.

What is a shell simple definition?

1a : a hard rigid usually largely calcareous covering or support of an animal. b : the hard or tough often thin outer covering of an egg (as of a bird or reptile) — see egg illustration. 2 : the covering or outside part of a fruit or seed especially when hard or fibrous.

What is the shell of a PC called?

In computing, a shell is a computer program which exposes an operating system’s services to a human user or other programs. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer’s role and particular operation.

What is shell in computer and its types?

A shell is a software interface that’s often a command line interface that enables the user to interact with the computer. Some examples of shells are MS-DOS Shell (command.com), csh, ksh, PowerShell, sh, and tcsh. Below is a picture and example of what a Terminal window with an open shell.

What are the types of shell?

Shell Types

• Bourne shell (sh)
• Korn shell (ksh)
• Bourne Again shell (bash)
• POSIX shell (sh)

What is shell and kernel?

A shell is basically an interface present between the kernel and the user. A kernel is the very core of a typical OS. Meaning. A shell is a CLI (command-line interpreter). A kernel is a type of low-level program that has its interfacing with the hardware on top of which all the applications run (disks, RAM, CPU, etc.).

Is kernel a CPU?

Kernel is central component of an operating system that manages operations of computer and hardware. It basically manages operations of memory and CPU time. It is core component of an operating system.

What is the use of shell?

A shell is a computer program that presents a command line interface which allows you to control your computer using commands entered with a keyboard instead of controlling graphical user interfaces (GUIs) with a mouse/keyboard/touchscreen combination.