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.
Plant evergreen ornamental varieties for year-round specimen plants. Grasses include blue oat grass (Helictotrichon sempervirens) and tall blue fescue (Festuca amethystine). Blue oat grass is a semi-evergreen fountain grass. It grows well in zones 4 through 9 and needs dry, well-drained soil.
Mountain-LaurelKalmia latifolia. With its intriguing blooms and evergreen leaves, the mountain-laurel is one of Americaâs most loved native shrubs. Clusters of striking flowers appear in May and June and range in color from white to pink-rose to deep rose. Regardless of hue, however, they all have unique purple markings.