Linux From Basics

# Users in Linux: In Linux Operating System, There are three kinds of Users. All users have different kinds of permissions as well as Administrator or Root user set or modify the current user's permissions.   ◘ Regular user ◘ Root user ◘ Service user 1) Regular User: - It is an account which is used when you install o/s in your system. - And all files and folders stored in Home directories. - You are not able to access other users directory. 2) Root User: - It is also created at the time of installation, - Can access restricted files, install software and has administrative privileges. - Also called super user. - Whenever you have to perform any administrative task, you have to login as a ROOT user.    For that, the command is  " sudo " Then it will ask your password twice. 3) Service User: - Linux is widely used as a server o/s. - Services such as Apache, SQL, Squid etc have their own service account...

If you read my previous posts on Linux then you probably understand why Linux is better than Windows or What is the difference between these two operating systems. If you Unable to understand Difference between two, then, please  go to the below link For Detailed on Difference between Windows and Linux, please visit  diffen.com     #   File System: Unix or Linux use hierarchical file system or tree file system. Everything in Linux is a FILE (Device, text file, music file, directories etc) # Linux, the file is ordered to a tree structure. - Root director is considered as the start of a file system, Roots is a way to go to other branches of the file directory. # Types of file: In Linux, everything is a file. General Files: Ø  Also called ordinary file. Ø  Contain image, video, program* Ø  ASCII or Binary format Ø  Most commonly used file in Linux D...

Linux Distribution  Linux is an open source operating system.it is used by programmers, organisations, profit or non-profit organisation around the world in order to create o/s to suit their individual need/requirement (For a detailed description of Linux click here ). So basically Distribution is nothing but the version or types of Linux. In Windows XP 2000, Vista, Windows 8, 8.1 .10 etc are the windows various versions...like that Linux also has different versions or types, known as Distribution or Distro . There are more than thousands Linux operating system, as we all know that Linux is an open source operating system, therefore, anyone with little knowledge of Linux can modify its original source code and make its own Linux distribution is also called customised operating system (make modifications according to your need. ) Each version, types, kind of Linux o/s are called distributions or Distros. (in short, version developed for customising...

Benefits of Linux 1) Famous among programmers as well as a regular or normal computer user. 2) It is free Operating System. 3) It is an Open source, anyone with little programming knowledge can modify it. 4) Linux Operating System offers millions of programs/applications to choose from and most of them are free. 5) No longer need of an antivirus. 6) It is highly secured Operating System, there is a global development community, constantly looking to enhance its security. 7) Linux is the Operating System of choice for server environments due to its stability and reliability. Companies like amazon.com, google.com, Facebook use Linux to its server. * Note - Linux based server could run non-stop without a reboot for years on end.(this is the only reason amazon.com, google.com, Facebook never down ) 8) Linux falsely considered as a difficult and technical Operating System to operate. But the truth is, in the last few years its Operatin...

Operating System An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. Or The operating system (OS) is the most important program that runs on a computer, Without OS in your computer, can not able to perform any activity like playing a song, movies, browsing etc. # There are Three Popular Operating Systems  Windows  Linux    Mac OS # Kernel  Kernel is the heart of operation system.It is responsible for communicating between Hardware and User Applications. # What is Linux? It is an Operating System or Kernel. It is the programmed heart of any operating system that takes care of the fundamental stuff like communication of hardware with software. ◘ Linux is an operating system. ◘ Linus Torvalds created/developed Linux.     * Note - Receptive to changes, modifications suggested by its users...