I hope everyone heard about Linux Operating System before. Like other Operating Systems Linux also is made of many components. But here to get an Introduction to the Linux Shell Scripts, we need to know about its major/important components Kernel and Shell . We studied that Operating System is a software that manages computer Harware and provide an interface between Computer Hardware and Users/Softwares. Kernal is the component/program responsible for first task of an OS, that is managing computer Hardware. And Shell is the component/program responsible to provide the interface for the users/softwares with hardware. We can graphically get an idea of it as shown in following Image. Kernal and Shell of Linux OS Let's see about Linux Shell more in details. A shell is program which acts like an interpreter. It convert human readable commands received from input devices into something which kernel can understand. The shell starts to run when a user logs in or pr...