VMware provides virtualization software that allows guest operating systems to run on virtual machines. This makes virtual machines highly portable between physical computers. Administrators can pause, move, or copy virtual machines. Virtualization treats hardware as a pool of resources available on demand. VMware was founded in 1999 and initially developed virtualization in the 1960s for mainframe computers. It offers two types of hypervisors - Type 1 is a bare metal hypervisor directly on hardware while Type 2 is hosted on a traditional operating system. VMware helps enterprises consolidate servers, provision applications quickly, isolate workloads, enable disaster recovery, and reduce costs. Welch's Foods case study showed VMware helped save over $100,000 by migrating servers to