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.
One popular type of deciduous shrub rhododendron, the snow azalea (Rhododendron mucronulatum), is hardy in USDA plant hardiness zones 5 to 9. It has pink or purple flowers and can grow up to 10 feet tall.It often has leggy growth, however, and remains around 5 feet tall.hey stay between 6 inches and 3 feet tall and have purple blooms. Cloudland rhododendrons are hardy in USDA plant hardiness zones 4 to 7. Another type of rhododendron that grows well indoors is Rhododendron (subgenus Azalea) 'Brazil.' It is an azalea with orange flowers, hardy in USDA zones 5 to 8.