Linux Tutorials All Batches Classes for Beginners to Expert

Description

Unix is a computer Operating System which is capable of handling activities from multiple users at the same time. The development of Unix started around 1969 at AT&T Bell Labs by Ken Thompson and Dennis Ritchie. This tutorial gives a very good understanding on Unix.

What is Unix?

The Unix operating system is a set of programs that act as a link between the computer and the user.

The computer programs that allocate the system resources and coordinate all the details of the computer’s internals is called the operating system or the kernel.

Users communicate with the kernel through a program known as the shell. The shell is a command-line interpreter; it translates commands entered by the user and converts them into a language that is understood by the kernel.

  • Unix was originally developed in 1969 by a group of AT&T employees Ken Thompson, Dennis Ritchie, Douglas McIlroy, and Joe Ossanna at Bell Labs.
  • There are various Unix variants available in the market. Solaris Unix, AIX, HP Unix and BSD are a few examples. Linux is also a flavor of Unix which is freely available.
  • Several people can use a Unix computer at the same time; hence Unix is called a multiuser system.
  • A user can also run multiple programs at the same time; hence Unix is a multitasking environment.

The main concept that unites all the versions of Unix is the following four basics −

  1. Kernel − The kernel is the heart of the operating system. It interacts with the hardware and most of the tasks like memory management, task scheduling and file management.
  2. Shell − The shell is the utility that processes your requests. 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 Unix variants.
  3. Commands and Utilities − There are various commands and utilities which you can make use of in your day to day activities. cp, mv, cat and grep, etc. are few examples of commands and utilities. There are over 250 standard commands plus numerous others provided through 3rd party software. All the commands come along with various options.
  4. Files and Directories − All the data of Unix is organized into files. All files are then organized into directories. These directories are further organized into a tree-like structure called the filesystem.

Who this course is for:

  • Anyone can learn who want to enter into Software Industry
  • Anyone can learn who want to become Linux Administrator

Requirements

  • Students No need to have any knowledge
  • No Programing Knowledge is required for students

Last Updated 2/2022

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Linux Tutorials All Batches Classes for Beginners to Expert.zip (5.2 GB) | Mirror

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