Related Terms. 1  operating system virtualization. 2  mobile operating system (OS). 3  OS-operating system. 4  server operating system. 5  system. 6  Microsoft Windows XP operating system. 7  Linux OS (Operating System). 8  paravirtualized operating system. 9  NOS-network operating system. 10  Chrome OS.
Prune and shape evergreen shrubs to provide year-round hedges, ground covers and privacy screens in your yard. The scarlet firethorn (Pyracantha coccinea) and Chinese holly (Ilex cornuta) shrubs produce red-colored berries and dark-green leaves.
EVERGREEN TREE TYPES. In botany, an evergreen tree type or plant is a plant that has leaves in all seasons. This contrasts with deciduous tree type or plants, which completely lose their foliage during the winter or dry season. There are many different kinds of evergreen plants, both trees and shrubs. Evergreens include: most species of conifers (e.g., hemlock trees, blue spruce tree , red cedar, and white/scots/jack pine trees) live oak, holly, and ancient gymnosperms such as cycads.