||The topic of this article may not meet Wikipedia's notability guidelines for products and services. (September 2013)|
|Company / developer||Cloudius Systems|
|Source model||Free and open source software|
|Initial release||September 16, 2013|
|Marketing target||Cloud computing|
|Available programming languages(s)||Java virtual machine languages, C++, C|
|Supported platforms||x86-64 on KVM, Xen (VMware is under development)|
|Kernel type||Monolithic (OSv kernel)|
|Default user interface||Shell (via SSH), web|
OSv (stylized OSv) is a cloud computing focused computer operating system released on September 16, 2013. It is a special-purpose operating system built to run as a guest on top of a virtual machine, thus it does not include drivers for bare-metal hardware. It is a slim, bare bones system including just the functionality necessary for tasks it was designed to do. For this reason, it does not support a notion of users (it's not a multiuser system) or processes - everything runs in the kernel address space. Using a single address space removes some of the time-consuming operations associated with context switching. It uses large amounts of code from the FreeBSD operating system, in particular the network stack and the ZFS file system. It is managed through SSH which is implemented in Java using Apache MINA.
- Kurth, Lars (3 December 2013). "Are Cloud Operating Systems the Next Big Thing?". linux.com. Retrieved 5 December 2013.
- Buys, Jon (18 September 2013). "Cloudius Systems Announced OSv, an Operating System for the Cloud". OStatic. Retrieved 11 March 2014.
- Corbet, Jonathan (18 September 2013). "Rethinking the guest operating system". LWN.net. Retrieved 28 September 2013.
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