A simulated environment created by virtualization.
Sources:
NIST SP 800-190
under Virtual machine
from
NIST SP 800-125
Software that allows a single host to run one or more guest operating systems.
Sources:
NIST SP 1800-10B
under Virtual Machine
from
NIST SP 800-115
NIST SP 1800-25B
under Virtual Machine
from
NIST SP 800-115
NIST SP 1800-26B
under Virtual Machine
from
NIST SP 800-115
A virtual data processing system that appears to be at the disposal of a particular user but whose functions are accomplished by sharing the resources of a real data processing system
Sources:
NISTIR 8006
under Virtual machine