Getting Started · #4 of 19

First Boot

Desktop Tour

Welcome to Ubuntu

When Ubuntu boots, you’ll see the GNOME desktop environment. It’s clean, modern, and designed for productivity.


The Desktop Layout

┌─────────────────────────────────────────────────┐
│ Activities    [Clock/Date]    [System Tray] ▼  │
├─────────────────────────────────────────────────┤
│                                                 │
│                                                 │
│              Desktop Area                       │
│                                                 │
│                                                 │
│ ┌───┐                                          │
│ │ 📁 │ Files                                   │
│ ├───┤                                          │
│ │ 🦊 │ Firefox                                 │
│ ├───┤                                          │
│ │ ⚙️ │ Settings                                │
│ ├───┤                                          │
│ │ 🛒 │ Software                                │
│ └───┘                                          │
│        [Dock/Favorites Bar]                    │
└─────────────────────────────────────────────────┘

Key Areas

1. Activities (Top Left)

Click “Activities” or press the Super key (Windows key) to:

2. System Tray (Top Right)

3. Dock (Left Side)

Your favorite applications. Right-click any app icon to add it here.

4. File Manager (Nautilus)

Click the Files icon. This is your graphical file browser.


Opening the Terminal

The terminal is your most powerful tool. Three ways to open it:

  1. Keyboard shortcut: Ctrl + Alt + T
  2. Activities search: Press Super, type “Terminal”
  3. Right-click desktop: “Open in Terminal” (in some setups)

Your First Commands

Try these in the terminal:

# Who am I?
whoami

# Where am I?
pwd

# What's here?
ls

# What's the date?
date

# System information
uname -a

Essential Keyboard Shortcuts

Shortcut Action
Super Open Activities / Search
Ctrl + Alt + T Open Terminal
Super + L Lock screen
Super + D Show desktop
Alt + Tab Switch windows
Super + Arrow Snap window to side
Ctrl + Q Close application
Ctrl + Alt + Delete Log out menu

Customization Basics

Change Wallpaper

Right-click desktop → “Change Background”

Appearance Settings

Settings → Appearance

Install GNOME Tweaks (for more options)

sudo apt install gnome-tweaks

Your First Update

Keep your system secure and up-to-date:

# Update package lists
sudo apt update

# Upgrade installed packages
sudo apt upgrade

# Or do both in one line
sudo apt update && sudo apt upgrade -y

You’ll be asked for your password. Type it (nothing will appear — this is normal) and press Enter.


What’s Next?

You’ve booted Ubuntu, explored the desktop, and opened a terminal. In the next lesson, we’ll dive deep into the terminal — your window into the true power of Linux.