The Linux kernel is the primary virtual machine; it is invoked by the service console. At normal run-time, the vmkernel is running on the bare computer, and the Linux-based service console runs as the first virtual machine. VMware dropped development of ESX at version 4.1, and now uses ESXi, which does not include a Linux kernel.
The definition of zen is slang for feeling peaceful and relaxed. An example of zen as an adjective is to have a zen experience, how you feel during a day at the spa. Zen is a type of Buddhism that focuses on awareness through the practice of meditation. An example of Zen is a rock garden that is tended to meditate.
History and Significance. The term Zen is short for Zen Buddhism, which is either a religion or a philosophy. It is a derivative of the Chinese term chan. Zen Buddhism came from China to Japan in the 12th century. Some of the original Zen gardens, constructed to memorialize sacred areas, still remain.