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.
Classic Broadleaf Evergreen Bushes. In the landscaping of my region (New England, U.S.), holly shrubs are more commonly found than the corresponding tree form. But Ilex species span quite a variety of sizes, shapes and, consequently, uses. Indeed, one cultivar, 'Helleri,' can function as a ground cover.