CENTOS: This is a network driven open source, Linux based working frameworks that gives operating system pictures to Google, Amazon and an entire pack of others.
Clearly, Linux is the premise of a few free working frameworks, fueled by Open source Innovation, and accessible in rich variations for download on the web. It has effectively matched shut sourced working frameworks, for example, Microsoft and Apple operating system which are over the top expensive to purchase and keep up. Instances of Linux based frameworks are Ubuntu, Centos, Fedora, Edbuntu, Curve Linux, Debian GNU And so on.
They are altogether founded on Linux Portion which welds them together as exceptionally valuable and amazing open source stage.
Steps in Setting Up CENTOS Linux Operating System
Step One :
Transfer the ISO contents into a DVD disk and load from your DVD ROM Drive (as a bootable drive as start-up, bootable) on your desktop or Laptop.
Step Two :
Select “Install CentOS 7”
Step Three :
Check each section such as Date/Time region, Keyboard, Language, Software Installation Source, Selection (preferably GNOME), System Destination and the ETHERNET enabling feature.
Step Three  Continued:
ETHERNET enabling feature is usually switched off by default. You must enable this feature by switching it ON before proceeding to the installation area.
Step Four :
Ensure your installation source is accurate.
Step Five :
Depending on your need, you can select any base environment that suits you. However, it is advisable that you select GNOME Desktop environment that would enable you have a desktop like any other Operating System.
Step Six :
Click the Begin Installation.
Step Seven (7A):
As the Installation proceeds, you will have to set the root password for the Linux based Operating System Administrator who exclusively uses the privileged key word “sudo”. “Sudo” is the main command that a Linux operating system uses to make basic to advanced configurations on the System.
USER CREATION: At least one user administrator IS needed to make use of the system. Note: You cannot use a Linux OS if these two categories are not set. Both Root Password and User account password must be set during the Installation process.
Step Seven (7B):
The root password is needed to use ROOTED Administrative privileges that controls the operating system kernel and must be Alphanumeric with combination of lower and uppercase characters. This process must be done whilst the installation is going on.
Step Seven (7C):
The user password and username must also be set during the installation which also should contain lower and uppercase characters and must be done whilst the installation is going on .
Step Seven [7D]:
Alternatively, you can also configure the advanced section.
Step Eight :
Once the installation is complete, Click on reboot button which will reload the system for first time use.
Step Nine :
Right before continuing the setup, you must accept the Linux based CENTOS licensing information.
Step Ten :
On reboot, succeeding the license agreement, simply click on the Username created earlier and input the password.
Step Eleven [11A]:
Welcome to CENTOS, Linux based Desktop Interface.
Step 11 (B):
Click on the menu icon to see the list of applications.
Step 11 (B):
You will have to set your Language, Location privacy and email preferences.
Step Twelve :
CENTOS Linux is now good to go!
Next step is RUNING your first administrative privileged command .
Right click on the desktop and select the “Open Terminal” sub-menu.
Right click on the desktop and select the “Open Terminal” sub-menu. Enter:
“rpm –q centos-release”
on the Centos-terminal prompt. This should return the Centos release version number:
1.[centos-release-7-6.1818.el7], and the