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.
Pines are probably the most notable of evergreen tree types. While most of them have long, needlelike foliage and are cone bearing, not all pine trees are the same. Each has their own unique characteristics to contribute. Eastern White Pine (Pinus strobes) â this fast-growing species reaches 80 feet or more.