Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Architecture of virtual machines. Virtual machines encapsulate analytical software and dependencies within a “guest” operating system, which may be different to the main (“host”) operating system. A virtual machine executes in the context of virtualization software, which runs alongside other software installed on the computer
