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Directory

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  WHAT IS A DIRECTORY? A  directory  is a file the solo job of which is to store the file names and the related information. All the files, whether ordinary, special, or  directory , are contained in  directories . TYPES OF CONTENT STORED BY DIRECTORY There are main 4 types of content stored in a directory: Static Content - The content which gets changed when the user tries to fix it else no changes occur by it’s own.   Dynamic/Variable Content - The content in which the change takes place automatically.   Persistent Content - The content which doesn’t change even after reboot.   Runtime Content - The content that comes at the time of running your machine and if you’re changing something with your machine then it’ll change but when you shut down you machine it’ll vanish.  SOME IMPORTANT LINUX DIRECTORIES
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Graphical User Interface

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  Top bar The horizontal bar at the top of the screen provides access to some of the basic functions, such as the  Activities Overview , clock and calendar, system status icons, and the  system menu . System menu The  system menu  is located in the top right corner, and enables you: Updating settings Controlling the sound bar Finding information about your Wi-Fi connection Switching user Logging out Turning off the computer Activities Overview The  Activities Overview  features windows and applications views that let the user run applications and windows and switch between them. The  search entry  at the top allows for searching various items available on the desktop, including applications, documents, files, and configuration tools. The vertical bar on the left side contains a list of favorite and running applications. You can add or remove applications from the default list of favorites according to your needs. The workspace list displayed ...
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Introduction to LINUX SYSTEM ADMINISTRATION.

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What is Linux? Linux is neither an operating system nor a programing language but it is a KERNEL . Linux us highly secure, it’s the base which is available in GUI i.e., Graphical User Interface and CLI i.e., Command Line Interface. KERNEL : The one who work between the translation of hardware and software (vice versa). Kernel are mainly classified in two types- ·        Monolithic KERNEL : In this you are not allowed to make any changes in the source code. ·        Modular KERNEL : In this you have the permission to make changes in source code. Linux is a Modular KERNEL . CLOSED SOURCES 1.        Closed source refers to the computer software which source code is closed means public is not given access to the source code . 2.        It can’t be modified. 3.        You’ve to purchase the software i.e., get the subsc...
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