Starting Linux

• Distributions
  • Debian-Based Distributions
  • RHEL-Based Distributions
  • Arch-Based Distributions
• Release Types
  • Rolling Release
  • Stable LTS Release
• Modularity
• What Distribution Should You Use
  • Tips for Choosing a Distribution
• From Choosing a Distro to Installing It
• Your First 24 Hours After Install
• How to Tell If You Picked the Wrong Distro

Linux is a powerful and versatile operating system that gives you complete control over your computer. Whether you are looking for stability, security, or customization, Linux has something to offer.

Resource: Why Choose Linux over Windows or macOS?

Distributions

Linux by itself does not include everything needed for a complete desktop experience, so we use Linux distributions. There are hundreds of distributions, which can be confusing at first.

For this book, we will focus on the three major distribution branches used by most Linux users.

Resource: Overview of All Distributions on Linux

Debian-Based Distributions

Most Linux users start in this branch, and many online guides are written with Debian-based systems in mind. They are usually stable and provide long-term support.

Ubuntu, Linux Mint, Pop OS, Elementary OS, KDE Neon, and Peppermint are all Debian-based distributions. This means package management and many installation steps are similar across all of them. When you see apt install or .deb packages, the instructions are usually targeting this branch.

RHEL-Based Distributions

RHEL stands for Red Hat Enterprise Linux. This branch is the backbone of many Linux servers because it is built with security and stability in mind.

The three common names in this category are Red Hat Enterprise Linux, CentOS, and Fedora. These systems typically use dnf install or yum install, and they use .rpm packages.

Arch-Based Distributions

Arch Linux is a community-driven distribution that is not backed by a single company. The most common names in this branch are Arch Linux and Manjaro.

Its package manager syntax uses pacman -S packagename and does not follow the same downloadable package flow as Debian or RHEL branches. Arch also has the AUR (Arch User Repository), which can build programs on the fly.

Warning: The AUR is powerful, but packages are not officially vetted and can become outdated. If you use the AUR, always verify that the package is current and from a legitimate maintainer.

Distribution branch quick reference:

Release Types

There are two release models you will encounter: rolling and stable. Both have pros and cons, and one may fit your workflow better than the other.

Resource: LTS vs Rolling Release

Rolling Release

Arch Linux follows a rolling release model, which means it is not tied to a single frozen system version. By comparison, Ubuntu ships on timed release cycles. A rolling release means that every package — including the kernel — is continuously updated as new versions are published.

The upside is that you always run current software. The downside is that updates arrive frequently, and occasionally a package update can introduce a regression that affects your system.

Stable LTS Release

Stable and LTS (Long-Term Support) releases ship on a fixed schedule. Ubuntu, for example, publishes a new LTS release every two years and supports it for five years. This means you get a tested, consistent system, but some packages may lag behind the latest upstream versions.

For most new Linux users, a stable LTS release is the better starting point.

Modularity

The power of Linux is that no matter which distribution you choose, it is modular. You can make major changes to tailor the user experience to your needs — whether you are building a lightweight setup for an old laptop or a high-performance gaming rig.

Examples:

• Server setup: Install only essential server packages and skip the desktop environment.
• Lightweight desktop: Use LXDE or XFCE for older hardware.
• Gaming system: Install Steam, Proton, and GPU drivers for a complete gaming experience.

What Distribution Should You Use

Linux can feel like a rabbit hole of nearly infinite possibilities. That can feel overwhelming to new users.

Start with popular distributions that have broad community support and a familiar workflow. For Windows users, Linux Mint provides a familiar starting point. For macOS users, Fedora is a good match.

Tips for Choosing a Distribution

• Windows users: Start with Linux Mint for a familiar experience.
• macOS users: Try Fedora for a sleek and modern interface.
• New gaming users: Bazzite gives a controlled environment with strong gaming support out of the box.
• Advanced gaming users: Nobara is built by GloriousEggroll and is a gaming-focused distribution with many optimizations pre-applied.
• Advanced users: Explore Arch Linux or Fedora for more control and cutting-edge features.

From Choosing a Distro to Installing It

Once you pick a distribution, the next step is preparing installation media safely.

• Download ISO files only from official project websites.
• Verify the checksum when the project provides one.
• Write the ISO to a USB drive with a trusted tool.
• Boot into live mode first to test Wi-Fi, graphics, and input devices.

If live mode works, installation usually goes smoothly.

Your First 24 Hours After Install

The first day on Linux should focus on stability, not heavy customization.

1. Connect to your network and verify internet access.
2. Run full system updates.
3. Reboot after updates complete.
4. Confirm audio, graphics acceleration, and Bluetooth.
5. Install one browser and one editor you trust.
6. Create an initial backup of important files.

Cross-distribution update commands:

# Debian and Ubuntu
sudo apt update && sudo apt upgrade -y

# Fedora and RHEL-based
sudo dnf upgrade --refresh -y

# Arch-based
sudo pacman -Syu

How to Tell If You Picked the Wrong Distro

Not every mismatch means you made a bad choice, but these are useful signals:

• Hardware support is poor even after normal driver setup.
• Your core software workflow is hard to maintain.
• Updates are either too slow for your needs or too risky for your comfort.

If this happens, switching to a better-fit distribution is normal. Linux is flexible, and reinstalling with a clearer goal is part of the learning process.