Linux referred to the usually free, unix-like Operating systems based on the Linux kernel and is GNU GPL based software. The large, commercial distribution was from 1992 through the licensing of the Linux kernel under the free GNU GPL. In 1983, Richard Stallman launched the GNU project with the goal to develop an Unix-like, POSIX -compatible operating system.
Make a Live USB to boot from a USB drive A Live USB will let you run an operating system off of a USB drive, so you can try a operating system without a partition, or carry a favorite one with you, or have an emergency backup in case your computer crashes.
Many operating systems available in the market and all have their quality. Which operating system do you prefer for your system? Now a day windows and Linux are the best operating system for general public.
Fellow reader Dado asked us, "How can I run multiple operating systems from a single USB?" This becomes practical if the different operating systems are Live CDs, i.e. designed to access a PC from outside of the computer's own operating system. This can be handy if the native operating system is corrupted through misuse, poor maintenance, or worse, malware. There are several tools that can help you create your multiboot USB stick. We tested three of them: XBoot, MultiBootUSB, and YUMI.
What is a file in Linux? What is file system in Linux? Where are all the configuration files? Where do I keep my downloaded applications? Is there really a filesystem standard structure in Linux? Well, the above image explains Linux file system hierarchy in a very simple and non-complex way. It's very useful when you're looking for a configuration file or a binary file. I've added some explanation and examples below, but that's TLDR.