libguestfs is an open source

Open source

The term open source describes practices in production and development that promote access to the end product's source materials. Some consider open source a philosophy, others consider it a pragmatic methodology...

 API

Application programming interface

An application programming interface is a source code based specification intended to be used as an interface by software components to communicate with each other...

 for modifying the virtual disk image

Virtual disk image

A virtual disk image is a file on a physical disk, which has a well-defined, published or proprietary, format and is interpreted by a Virtual Machine Monitor as a hard disk. IT administrators and software developers administer them through offline operations using built-in or third-party tools...

s used in virtualization of operating systems. libguestfs provides multiple editing tools for Fedora

Fedora (operating system)

Fedora is a RPM-based, general purpose collection of software, including an operating system based on the Linux kernel, developed by the community-supported Fedora Project and sponsored by Red Hat...

-based hosts modelled after ordinary Unix commands, such as "virt-cat" and "virt-tar", and can edit virtual machines managed by libvirt

Libvirt

libvirt is an open source API, daemon and management tool for managing platform virtualization. It can be used to manage Linux KVM, Xen, VMware ESX and other virtualization technologies...

.

libguestfs is implemented using the Kernel-based Virtual Machine

Kernel-based Virtual Machine

Kernel-based Virtual Machine is a virtualization infrastructure for the Linux kernel. KVM supports native virtualization on processors with hardware virtualization extensions....

 feature of Linux.

See also

• Kernel-based Virtual Machine
  Kernel-based Virtual Machine
  Kernel-based Virtual Machine is a virtualization infrastructure for the Linux kernel. KVM supports native virtualization on processors with hardware virtualization extensions....
  
   (KVM)
• QEMU
  QEMU
  QEMU is a processor emulator that relies on dynamic binary translation to achieve a reasonable speed while being easy to port on new host CPU architectures....
  
  
• libvirt
  Libvirt
  libvirt is an open source API, daemon and management tool for managing platform virtualization. It can be used to manage Linux KVM, Xen, VMware ESX and other virtualization technologies...