Chapter 1. Getting Started and Working with Shell Scripting
Whoever works with Linux will come across shell as the first program to work with. The Graphical user interface (GUI) usage has become very popular due to the ease of use. Those who want to take advantage of the power of Linux will use the shell program by default.
Shell is a program which provides the user direct interaction with the operating system. Let's understand the stages in the evolution of the Linux operating system. Linux was developed as a free and open source substitute for UNIX OS. The chronology can be as follows:
- The UNIX operating system was developed by Ken Thomson and Dennis Ritchie in 1969. It was released in 1970. They rewrote the UNIX using C language in 1972.
- In 1991, ...
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