VirtualBoxé um software de virtualização gratuito e de código aberto que permite aos usuários criar e executar máquinas virtuais em seus computadores. Com o VirtualBox, os usuários podem instalar e executar vários sistemas operacionais simultaneamente em seu computador sem ter que criar partições separadas ou comprar hardware adicional.

Uma das principais vantagens do VirtualBox é a sua facilidade de uso. É simples de instalar e configurar, mesmo para aqueles que têm pouca ou nenhuma experiência com tecnologia de virtualização. O VirtualBox também oferece uma ampla gama de opções de personalização, incluindo a capacidade de ajustar a quantidade de RAM, núcleos de CPU e espaço de disco rígido alocado para cada máquina virtual.

Outra grande característica do VirtualBox é sua compatibilidade com uma ampla gama de sistemas operacionais. Os usuários podem instalar e executar Windows, Linux, macOS e muitos outros sistemas operacionais em suas máquinas virtuais. Isso faz dele uma excelente ferramenta para desenvolvedores, testadores de software e qualquer pessoa que precise executar múltiplos sistemas operacionais em um único computador.

O VirtualBox também oferece uma gama de recursos avançados, como suporte para dispositivos USB, pastas compartilhadas e adaptadores de rede. Esses recursos tornam possível executar software que requer recursos de hardware ou rede, como roteadores virtuais, firewalls e servidores.

VirtualBox é uma excelente escolha para quem precisa executar vários sistemas operacionais em um único computador. Sua facilidade de uso, ampla gama de opções de personalização e compatibilidade com muitos sistemas operacionais diferentes o tornam uma ferramenta versátil e poderosa para desenvolvedores, profissionais de TI e usuários domésticos.

Recurso Principal:

• Compatibilidade entre plataformas.
• Interface gráfica de usuário intuitiva.
• Suporte para vários sistemas operacionais.
• Integração perfeita com o sistema operacional host.
• Snapshots e clones.
• Capacidades de rede.
• Suporte a dispositivo virtual.
• Pacotes de extensão para funcionalidade adicional.

• VMM: more work on improving the emulation of certain MSR registers
• VMM: fixed a VERR_INVALID_RPL Guru Meditation when booting certain guests
• VMM: experimental support for SSE 4.1 / SSE 4.2 passthrough, see the manual for more information how to enable it
• VMM: fix for recent Linux kernels with software virtualization
• GUI: experimental HID LEDs synchronization for Windows hosts, see the manual for more information
• GUI: warn the user if the Oracle Extension Pack is not installed and the user tries to activate the remote display feature
• GUI: make sure that a minimized guest (using mini toolbar in fullscreen/seamless mode) keeps the minimized state
• GUI: popup banner's "do not show this message again" check-box replaced with corresponding button
• GUI: network adapter cables can now be connected/disconnected directly through the running virtual machine Devices / Network menu a Network status-bar indicator
• GUI: the new VM wizard now proposes 64-bit guests on 64-bit hosts by default; better distinction between 32-bit OS types 64-bit OS types
• GUI: better error message if appliance import fails
• GUI: allow to set host-combination to 'None' using the Global settings / Input page
• GUI: don't switch the guest to a black screen during online snapshot merge
• VBoxManage: when exporting an appliance, support the suppression of MAC addresses, which means they will be always recreated on import, avoiding duplicate MAC addresses for VMs which are imported several times
• AHCI: fixed a VM hang during suspend under certain circumstances
• AHCI: fixed a VM hang during online snapshot merge under certain circumstances
• AHCI: fixed a bug which resulted in Windows XP guest hangs if a SATA CDROM is attached
• AHCI: fixed a Guru Meditation under certain conditions
• AHCI: ejecting a CD/DVD medium failed under certain conditions
• AHCI: disk hotplugging fixes
• NAT: transparent handling of host sleep/resume and network configuration changes if the dnsproxy is enabled or if the hostresolver is used
• NAT: fixed crash and misbehaviour under some circumstances with ICMP packets having TTL=1
• NAT Network: fixed IPv6 reassembly
• NAT Network: ping proxy implemented
• OVF: fixed reading of the OVF 0.9 section element
• OVF: several fixes
• 3D: several fixes, multiscreen fixes
• 3D: include 3D content in captured videos
• 3D: include 3D content in captured screenshot
• VGA: proper handling of legacy graphics modes if the Guest Additions are active
• USB: fixed crash during isochronous transfer under rare circumstances
• BIOS: better disk geometry handling of SCSI drives
• API: fix crashes in Java API clients using the XPCOM binding, happened with output parameters only
• VBoxSVC: documented the handling of host power management events (see the manual for more information) and added an extradata item for configuring the handling of the battery-low event
• VBoxSVC: fixed a bug which could trigger a crash if a VM snapshot was restored the second time and the VM has associated bandwidth groups
• VBoxSVC: properly detect ifconfig if located in /bin
• Shared Folders: fixed a failure to restore transient shared folders when starting a VM from a saved state
• Mac OS X hosts: fixed issue when the application icon was frozen in the dock if the bridging interface was not connected to a network
• Linux hosts: also consider the physical package ID when determining the number of physical CPU cores
• Linux hosts / guests: don't warn in kernel log if memory allocation fails
• Solaris hosts: fixed the autostart SMF script
• Windows hosts: fixes for non-ANSI code page user names and similar environment contents
• Windows hosts / guests: fixed setting and using a guest user's process environment variables (relevant for Guest Control)
• Windows Additions: fixed handle leaks in VBoxTray
• Windows Additions: fixed a crash while detecting active guest users
• Windows Additions: fixed restoring backed up D3D files on XPDM -> WDDM upgrade
• Guest Control: fixed setting and using a guest user's process environment variables
• Linux Additions: support Enterprise Linux 6.5 kernels
• Linux Additions: fixed CPU hot-remove on newer Linux kernels
• Linux / Solaris Additions: don't automount a shared folder which is already mounted
• X11 Additions: support X.Org Server 1.15