Operating system Linux How many ways can I install linux?

How many ways can I install linux? Linux Installation Choices, the different choices of installation media, physical vs. network installs, were compared and contrasted. the installation methods can be categorizes into 4 major categories: 

Method 1:: Clean: installation that does not write to current OS storage media

Method 2:: Dual-boot: peaceful co-existence with current OS on same storage or VM environment

Method 3:: Replacement: overwriting of current OS with Linux on platform storage media

Method 4:: Upgrading/Recovery: enhancing or repairing current Linux OS installation 

Reasons for Installation Method Choice:

For Todd, our fictitious Linux aspirant, to make the decision of which Linux installation is right for a particular situation, understanding the different choices is in order:

Clean: This is the simplest method of Linux installation allowing for near unobtrusive use and testing of almost any of the many Linux distributions that support a Live installation choice. The process is very simple: Todd downloads the *.iso file, burns it to a CD-R or DVD media disk using appropriate burning software making sure that he indicates that he is writing an ISO format file (this arranges the ISO files and places a boot-strap entity on the disk), and then uses the disk to boot the computer.

The major advantage of the clean method is that there is very little chance of risking corruption of the current installed OS environment since the optical drive is booted before the OS contained on the primary hard drive device. Your platform’s BIOS must be able to support optical drive booting in order for this option to operate. Changes to your BIOS to reorder the boot device list is necessary to ensure the optical or USB device containing the Linux distribution is booted first. Another very sound advantage for using a clean method if for Windows OS troubleshooting, but this will be covered in another article in this series.

The major limitation of this method is the very poor performance due to the optical drive or USB memory stick involved, and the inability to store data from one session to another without allowing use of the platform’s hard drive unless you are booting from a USB memory stick.

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Operating system - Linux