
01] Ubuntu

It is undoubtedly the most used distro and it probably has the largest number of supporters, both in terms of code of the Operating System and in terms of use. It is suitable for those with no particular needs and is a beginner in the Linux world. But it’s also good for those who are environment veterans.
(based on Debian)
www.ubuntu.org
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02] Opensuse

Opensuse is renowned for being one of the first desktop-oriented distros and taking care of the graphic environment. Today with the advent of Ubuntu it is a little bit more complex for those who are beginners in the use of the package management system.
The distribution uses software packages in rpm format and adopts the Zypper command line program as their manager. In the graphical environment, the program for package management is YaST.
https://opensuse.org/
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03] LinuxMint

Linux Mint is a GNU / Linux distribution for personal computers, known for its ease of use and ease of installation. It is based on Ubuntu (itself based on Debian) and uses both its own repositories and those of Ubnutu.
https://www.linuxmint.com/
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04] ArchLinux

Arch Linux is a GNU / Linux distribution with i686 and x86-64 architecture, created by Judd Vinet according to the KISS philosophy (Keep It Simple, Stupid). Initially inspired by CRUX Linux, it is known to be light, fast, extremely scalable and adaptable to your needs. The peculiarity of this distro lies in being able to decide which packages to install, depending on your needs.
https://www.archlinux.org/
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05] Tails

Tails is the well-known Linux distribution that installs on a USB pen and starts it in live mode. It is renowned for surfing the web without leaving any kind of trace on the web, taking advantage of the famous TOR browser. Also on the PC it does not leave any kind of trace.
https://tails.boum.org/
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06] Fedora

It is among the most well-known distros in the Linux world. The applications of this distro are distributed under opensource license and cover all sectors making it complete even at the server level. Although it is a distro that lacks nothing, the management of installation packages is less easy than that of ubuntu. The management of software packages is the job of the DNF utility (previously yum).
https://getfedora.org/
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07] Debian

It is the distro on which ubuntu is based and therefore have many features in common. The most substantial differences are that Debian has a much broader support community which creates numerous packages for the distro which may even be non-free. In fact, on the official website it is also possible to download the DVD version consisting of three large .iso files.
https://www.debian.org/
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08] Mageia

Although it can be overshadowed by the better known Distro, it has the right to be mentioned to be the successor of Mandriva, as well as being based on it.
https://www.mageia.org/
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09] Gentoo

Gentoo (or Gentoo Linux) is a GNU / Linux distribution focused on execution speed and customization possibilities.
It is unsuitable for non-experts as it is known to be a source-based distro, ie the installation of programs is done by compiling source codes on your computer rather than by pre-compiled packages.
This close relationship with the source code makes Gentoo particularly suitable to be optimized for the hardware and configured according to the needs of the user.
https://www.gentoo.org/
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10] Korora

Korora is a Linux distro based on Fedora and at the beginning of its Gentoo-based launch.
The main objective that Korora aims to achieve is to provide a complete and user-friendly GNU / Linux operating system; in fact it includes several software not present in Fedora.
Korora is an installable Fedora Remix Live USB image which aims to provide a complete out of the box experience for new users, including support for multimedia.
https://kororaproject.org
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11] ChromeOS

Chrome OS (or Chromium OS, referring to its open source project) is an operating system designed by Google and based on the Gentoo Linux distribution.
It is especially lightweight but can only be installed on Chromebooks. To get rid of the curiosity anyway, you can install it on a virtual machine.
https://www.chromium.org
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12] Knoppix

And the most famous of the live distros and still today boasts the title of best live distro for reliability and completeness in applications. There is also a version that can be installed on the hard disk of your PC.
www.knopper.net/
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13] PuppyLinux

Puppy Linux is a GNU / Linux Live CD distribution created by Barry Kauler in 2003, aimed at ease of use and limited system resource consumption: it is therefore recommended for those with old PCs.
The operating system also contains only the essential programs and weighs only about 200MB
www.puppylinux.org
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14] Slackware

It is probably the most long-lived distro and the one aimed exclusively at the most experienced. Its installation, like that of all packages,
must be carried out mainly from the command line.
www.slackware.com/
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15] Elementary OS

As the name implies, Elementary OS is a distro with the characteristic of ease of use. Another feature is its minimalism, that is the poor possibility of customizing the graphics. As installer he uses Ubiquity, while as windows manager he uses Gala, a modified version of Mutter. The operating system can be run directly by starting it in LiveCD mode (although with a loss of performance)
https://elementary.io/it/