VirtualBox is a free and open-source host hypervisor tool that enables users to run different operating systems virtually on their host operating system, like Windows 10.

What is the recommended version of Ubuntu to install?

It is recommended to install the LTS (Long-Term Support) version of Ubuntu, as it is supported for at least two years.

What is the purpose of selecting "dynamically allocated" for the virtual hard disk size?

The dynamically allocated option allows the virtual operating system's disk space to expand as required, rather than being fixed at the initial allocated size.

What settings need adjustment in the VM configuration before installation to enable host/guest interaction?

In the Advanced settings under the General tab, the Shared Clipboard and Drag and Drop options should both be set to bi-directional.

What is required to enable proper screen resolution and maximizing the display within the Ubuntu VM?

The user needs to install the "VirtualBox Guest Additions" tools inside the running Ubuntu operating system.

How are the essential packages for installing Guest Additions installed in Ubuntu?

The packages are installed using the terminal command: `sudo apt install build-essential dkms linux-headers-$(uname -r)`.

How to Use VirtualBox | Beginners Guide to VirtualBox

VirtualBox Installation and Purpose
📌 VirtualBox is a free and open-source host hypervisor that allows users to run different operating systems virtually on their host operating system (e.g., running Ubuntu on Windows 10).
💾 The installation process involves downloading the VirtualBox EXE (approximately 108 MB) from virtualbox.org and running the setup wizard, accepting default settings.
🛠️ After installation, the Oracle VM VirtualBox Manager allows creating new virtual machines (VMs) for various OS types like Windows, Linux, Solaris, etc.

Setting up the Ubuntu Virtual Machine
💿 Creating a VM requires an ISO file of the desired operating system, such as the Ubuntu Desktop ISO file (around 2.5 GB for version 20.04 LTS).
🖥️ When creating the new VM, specify the name (e.g., "Ubuntu 20.04"), type (Linux), and version (Ubuntu 64-bit).
💾 Allocate memory up to the green mark in the memory size setting and select dynamically allocated for the virtual hard disk image (VDI), setting a size like 100 GB, which expands as needed.

Configuration and Ubuntu Installation
⚙️ Before starting, adjust Advanced Settings under the General tab: set Shared Clipboard and Drag and Drop to Bi-directional for seamless host/guest interaction.
💿 In the VM Storage settings, mount the downloaded Ubuntu ISO file by clicking the CD icon under the controller and selecting the ISO file.
▶️ Start the VM and proceed with the Ubuntu installation, typically choosing Normal Installation, downloading updates, and installing third-party software.
👤 Set your location, username, and password during the installation prompts.

Post-Installation: Enabling Full Functionality
🔄 After installation is complete and the VM restarts, log in to the Ubuntu desktop.
💻 To enable proper screen resizing and better resolution, VirtualBox Guest Additions must be installed.
💻 Open the terminal in Ubuntu and first run the command: `sudo apt install build-essential dkms linux-$(uname -r)` to install necessary prerequisites.
🔌 Go to the VirtualBox menu: Devices > Insert Guest Additions CD Image, then click Run in the prompt, provide the Ubuntu password to authenticate, and finally, Power Off the VM before restarting it.

Key Points & Insights
➡️ VirtualBox enables running other operating systems virtually on a host system like Windows 10 without erasing the host disk.
➡️ Always use the LTS (Long-Term Support) version of Ubuntu for stability when installing in a VM.
➡️ Setting Shared Clipboard and Drag and Drop to Bi-directional is crucial for file and text sharing between the host (Windows) and the guest (Ubuntu).
➡️ VirtualBox Guest Additions must be manually installed after the OS installation to achieve features like dynamic screen resizing and better resolution.

📸 Video summarized with SummaryTube.com on Mar 11, 2026, 04:10 UTC

How to Use VirtualBox | Beginners Guide to VirtualBox

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