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Alternatives to VirtualBox?
(lemm.ee)
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
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There's nothing better than virtual box for desktop environments, especially after you install the guest tools.
I don't know what you mean by "it eats resources" - of course it does, you're emulating and entire system. What are your expectations?
Virtual Box is a Type 2 hypervisor, which means it's running on top of the OS, and not directly on the hardware.
KVM is a Type 1, which runs directly on the hardware itself.
There are pros and cons to each, and VBOX is a great piece of software, but it is more resource intensive than other options available.
And it performs very well, especially for gui applications. It even supports multiple monitors for the guest.
For running a desktop it's clearly superior and "fast enough". I used it to run my primary development environment for years.