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.
Types of Barberry Shrubs. Barberry shrubs are excellent hardy landscape plants that thrive with minimal care and maintenance. They come in many shapes, sizes and colors and can be evergreen (foliage all year) or deciduous (leaves drop in winter). The three main types of barberry shrub are red-leaved, gold-leaved and green-leaved (evergreen).