Machine’s Window . . . . . . . . . . . . . . . . . . . . . . 14 1.8.6 Saving the State of the Machine . . . . . . . . . . . . . . . . . . . . . . 14 1.9 Using VM Groups . . . . . . . . . . . . . . . . . . . . . . . . . . 330 13.4.2 CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 331 14 Known Limitations 332 14.1 Experimental Features . . . . . . . . . . . . . . . . . . . . . . . . (2020-09-04) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335 15.2 Version 6.1.12 (2020-07-14) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335 15.3 Version 6.1.10 (2020-06-05) .

. 249 13.3.5 Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 14 Known limitations 251 14.1 Experimental Features . . . . . . . . . . . . . . . . . . . . . . . . separation of client and server code. This makes it easy to control it from several interfaces at once: for 14 1 First steps example, you can start a VM simply by clicking on a button in the VirtualBox graphical First steps – 10.10 (Yosemite) – 10.11 (El Capitan) Intel hardware is required; please see chapter 14, Known limitations, page 251 also. • Linux hosts (32-bit and 64-bit3). Among others, this includes:

. . . 12 1.4 Supported host operating systems . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.5 Installing VirtualBox and extension packs . . . . . . . . . . . . . . . . . . . . . . 15 1.6 . 195 13.3.5 Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 14 Known limitations 196 14.1 Experimental Features . . . . . . . . . . . . . . . . . . . . . . . . Linux and Solaris hosts; for details, please see chapter 1.4, Supported host operating systems, page 14. Most of the time, this User Manual discusses all VirtualBox versions together. There may be platform-specific

Removable Media . . . . . . . . . . . . . . . . . . . . . . . . 14 1.9.5 Resizing the Machine’s Window . . . . . . . . . . . . . . . . . . . . . . 14 1.9.6 Saving the State of the Machine . . . . . . . . . . . . . . . . . . 300 13.4.2 CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 301 14 Known Limitations 302 14.1 Experimental Features . . . . . . . . . . . . . . . . . . . . . . . . 12 (Sierra) – 10.13 (High Sierra) – 10.14 (Mojave) Intel hardware is required. See also chapter 14, Known Limitations, page 302. • Linux hosts (64-bit). Includes the following: – Ubuntu 16.04 LTS

. . . . . . . . 12 1.4 Supported host operating systems . . . . . . . . . . . . . . . . . . . . . 14 1.5 Installing and starting VirtualBox . . . . . . . . . . . . . . . . . . . . . . 15 1.6 Creating 7.2 VM aborts with out of memory errors on Solaris 10 hosts . . . . 207 13 Known limitations 208 14 Change log 211 14.1 Version 3.2.4 (2010-06-07) . . . . . . . . . . . . . . . . . . . . . . . . . 211 VirtualBox users who just want to see what’s new in this release, there is a detailed list in chapter 14, Change log, page 211. 1.1 Why is virtualization useful? The techniques and features that VirtualBox

. . . . . . . . . . . . . . . . . . . . . . . . . 14 1.6 Starting VirtualBox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.7 Creating your first virtual machine . . . . . aborts with out of memory errors on Solaris 10 hosts . . . . . . . . 172 13 Known limitations 173 14 Change log 175 14.1 Version 4.0.0 Beta 1 (2010-12-06) . . . . . . . . . . . . . . . . . . . . . . VirtualBox users who just want to see what’s new in this release, there is a detailed list in chapter 14, Change log, page 175. 1.1 Why is virtualization useful? The techniques and features that VirtualBox

extension packs . . . . . . . . . . . . . . . . . . . . . . 14 1.6 Starting VirtualBox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.7 Creating your first virtual machine . . . . . 13.3 Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179 14 Known limitations 181 15 Change log 183 15.1 Version 4.0.4 (2011-02-17) . . . . . . . . . . . . (Leopard, 32-bit) – 10.6 (Snow Leopard, 32-bit and 64-bit) Intel hardware is required; please see chapter 14, Known limitations, page 181 also. • Linux hosts (32-bit and 64-bit3). Among others, this includes:

extension packs . . . . . . . . . . . . . . . . . . . . . . 14 1.6 Starting VirtualBox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.7 Creating your first virtual machine . . . . . 13.3 Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 14 Known limitations 178 15 Change log 180 15.1 Version 4.0.0 (2010-12-22) . . . . . . . . . . . . (Leopard, 32-bit) – 10.6 (Snow Leopard, 32-bit and 64-bit) Intel hardware is required; please see chapter 14, Known limitations, page 178 also. • Linux hosts (32-bit and 64-bit3). Among others, this includes:

extension packs . . . . . . . . . . . . . . . . . . . . . . 14 1.6 Starting VirtualBox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.7 Creating your first virtual machine . . . . . 13.3 Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 14 Known limitations 180 15 Change log 182 15.1 Version 4.0.6 (2011-04-21) . . . . . . . . . . . . (Leopard, 32-bit) – 10.6 (Snow Leopard, 32-bit and 64-bit) Intel hardware is required; please see chapter 14, Known limitations, page 180 also. • Linux hosts (32-bit and 64-bit3). Among others, this includes:

. . 13 1.5 Installing VirtualBox and extension packs . . . . . . . . . . . . . . . . . . . . . . 14 1.6 Starting VirtualBox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1 13.3 Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 14 Known limitations 182 15 Change log 184 15.1 Version 4.0.30 (2015-05-19) . . . . . . . . . . . . (2014-07-15) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 15.4 Version 4.0.24 (2014-03-14) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 15.5 Version 4.0.22 (2014-01-10) .