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.
Juniper shrubs are evergreen and are usually low spreading bush type plants. There are approximately 50 species of junipers and they are found in most countries in the northern hemisphere.unipers are used for groundcovers and border plantings. They are especially helpful in preventing soil erosion, weed control, and planting on difficult to access parts of a landscape. Juniper shrubs are drought tolerant and perform quite well in rock gardens.