IncludeOS is a minimal,

open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content of the product. The open source model is a decentrali ...

unikernel A unikernel is a type of computer program that is static linking, statically linked with the operating system code on which it depends. Unikernels are built with a specialized compiler that identifies the operating system services that a program ...

operating system for cloud services and IoT, developed by Alf Walla and Andreas Åkesson. IncludeOS allows users to run C++ applications in the cloud without any operating system. IncludeOS runs on

virtual machine In computing, a virtual machine (VM) is the virtualization or emulator, emulation of a computer system. Virtual machines are based on computer architectures and provide the functionality of a physical computer. Their implementations may involve ...

s like Linux KVM, and VMWare ESXi/Fusion. IncludeOS applications boot in about 300 ms. On Solo5/uKVM from

IBM Research IBM Research is the research and development division for IBM, an American Multinational corporation, multinational information technology company. IBM Research is headquartered at the Thomas J. Watson Research Center in Yorktown Heights, New York ...

, boot times as low as 10 milliseconds are possible.

Architecture

The minimalist architecture of IncludeOS means that it does not have any

virtual memory In computing, virtual memory, or virtual storage, is a memory management technique that provides an "idealized abstraction of the storage resources that are actually available on a given machine" which "creates the illusion to users of a ver ...

space. In turn, therefore, there is no concept of either

system calls In computing, a system call (syscall) is the programmatic way in which a computer program requests a service from the operating system on which it is executed. This may include hardware-related services (for example, accessing a hard disk drive ...

user space A modern computer operating system usually uses virtual memory to provide separate address spaces or regions of a single address space, called user space and kernel space. This separation primarily provides memory protection and hardware prote ...

References

{{reflist , refs= {{cite web , author= Stig Øyvann , date= November 12, 2018 , df= ymd , url= https://www.zdnet.com/article/iot-security-and-linux-why-includeos-thinks-it-has-the-edge/ , title= IoT security and Linux: Why IncludeOS thinks it has the edge , website= ZDNet

External links

IncludeOS
on GitHub
IncludeOS blog
* Alfred Bratterud
Deconstructing the OS: The devil’s In the side effects
CppCon 2017 presentation
C++ Weekly – Ep 31 – IncludeOS
Computing platforms Free software operating systems Software using the Apache license Software companies of Norway Free software programmed in C++ IA-32 operating systems X86-64 operating systems