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Docker Compose is a tool for defining and running multi-container Docker applications. [29] It uses YAML files to configure the application's services and performs the creation and start-up process of all the containers with a single command.
Support for Mac OS X 10.9 (Mavericks) was removed with VirtualBox 5.2. [89] Support for Mac OS X 10.10 (Yosemite) and OS X 10.11 (El Capitan) was removed with VirtualBox 6.0. Support for macOS 10.12 (Sierra) was officially removed with VirtualBox 6.1 (as of 6.1.16 it will still install and run, however). [75]
This is an accepted version of this page This is the latest accepted revision, reviewed on 26 January 2025. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...
Running Ubuntu in this way is slower than running it from a hard drive, but does not alter the computer unless specifically instructed by the user. If the user chooses to boot the live image rather than execute an installer at boot time, there is still the option to then use the Ubuntu Desktop Installer once booted into the live environment. [79]
Support for Nehalem Mac Pro. Experimental support for Mac OS X 10.6 as guest. Support for Ubuntu 9.04 as guest. Various bug fixes. [23] 2.0.6 October 1, 2009 Fixed issues when running on Snow Leopard. Fixed issues with NVidia graphics cards on Mac OS X 10.6. Various bug fixes. [24] 2.0.7 April 8, 2010
A hypervisor, also known as a virtual machine monitor (VMM) or virtualizer, is a type of computer software, firmware or hardware that creates and runs virtual machines.A computer on which a hypervisor runs one or more virtual machines is called a host machine, and each virtual machine is called a guest machine.
This worked by running user mode code (and optionally some kernel code) directly on the host computer's CPU, and by using processor and peripheral emulation only for kernel-mode and real-mode code. KQEMU could execute code from many guest operating systems even if the host CPU did not support hardware-assisted virtualization .
The desire to run multiple operating systems was the initial motive for virtual machines, so as to allow time-sharing among several single-tasking operating systems. In some respects, a system virtual machine can be considered a generalization of the concept of virtual memory that historically preceded it.