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The Complete Beginner's Guide to Linux

Discussion in 'Linux - General discussion' started by ireland, Aug 15, 2014.

  1. ireland

    ireland Active member

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    The Complete Beginner's Guide to Linux

    Linux. It’s been around since the mid ‘90s, and has since reached a user-base that spans industries and continents. For those in the know, you understand that Linux is actually everywhere. It’s in your phones, in your cars, in your refrigerators, your Roku devices. It runs most of the Internet, the supercomputers making scientific breakthroughs, and the world's stock exchanges. But before Linux became the platform to run desktops, servers, and embedded systems across the globe, it was (and still is) one of the most reliable, secure, and worry-free operating systems available.
    Complete Story

    http://www.linux.com/learn/tutorials/784060-the-complete-beginners-guide-to-linux


    Linux. It’s been around since the mid ‘90s, and has since reached a user-base that spans industries and continents. For those in the know, you understand that Linux is actually everywhere. It’s in your phones, in your cars, in your refrigerators, your Roku devices. It runs most of the Internet, the supercomputers making scientific breakthroughs, and the world's stock exchanges. But before Linux became the platform to run desktops, servers, and embedded systems across the globe, it was (and still is) one of the most reliable, secure, and worry-free operating systems available.
    For those not in the know, worry not – here is all the information you need to get up to speed on the Linux platform.
    What is Linux?
    Just like Windows XP, Windows 7, Windows 8, and Mac OS X, Linux is an operating system. An operating system is software that manages all of the hardware resources associated with your desktop or laptop. To put it simply – the operating system manages the communication between your software and your hardware. Without the operating system (often referred to as the “OS”), the software wouldn’t function.
    The OS is comprised of a number of pieces:
    The Bootloader: The software that manages the boot process of your computer. For most users, this will simply be a splash screen that pops up and eventually goes away to boot into the operating system.
    The kernel: This is the one piece of the whole that is actually called “Linux”. The kernel is the core of the system and manages the CPU, memory, and peripheral devices. The kernel is the “lowest” level of the OS.
    Daemons: These are background services (printing, sound, scheduling, etc) that either start up during boot, or after you log into the desktop.
    The Shell: You’ve probably heard mention of the Linux command line. This is the shell – a command process that allows you to control the computer via commands typed into a text interface. This is what, at one time, scared people away from Linux the most (assuming they had to learn a seemingly archaic command line structure to make Linux work). This is no longer the case. With modern desktop Linux, there is no need to ever touch the command line.
    Graphical Server: This is the sub-system that displays the graphics on your monitor. It is commonly referred to as the X server or just “X”.
    Desktop Environment: This is the piece of the puzzle that the users actually interact with. There are many desktop environments to choose from (Unity, GNOME, Cinnamon, Enlightenment, KDE, XFCE, etc). Each desktop environment includes built-in applications (such as file managers, configuration tools, web browsers, games, etc).


    GO HERE TO READ IT ALL
    http://www.linux.com/learn/tutorials/784060-the-complete-beginners-guide-to-linux
     
  2. ps355528

    ps355528 Regular member

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    Ahhh.,. but.. the "shell" accessed through one of the many terminals (depends on how many you set up.. VT7 is usually your graphical desktop, though you can run an X-Server on any except VT1 (which is always "root").. is your gateway to the REAL POWER.. can't believe the number of times an apparently crashed machine can be "unstuck" by simply logging in to one of the terminals and killing whatever process has "jammed up".. But of course you would know that :)
     

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