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DNS and BIND, 5th Edition by Paul Albitz, Cricket Liu

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Colophon

The animals on the cover of DNS and BIND, Fifth Edition, are grasshoppers. Grasshoppers are found all over the globe. Of over 5,000 species, 100 different grasshopper species are found in North America. Grasshoppers are greenish-brown, and range in length from a half inch to four inches, with wingspans of up to six inches. Their bodies are divided into three sections: the head, thorax, and abdomen, with three pairs of legs and two pairs of wings.

Male grasshoppers use their hind legs and forewings to produce a “chirping” sound. Their hind legs have a ridge of small pegs that are rubbed across a hardened vein in the forewing, causing an audible vibration much like a bow being drawn across a string.

Grasshoppers are major crop pests, particularly when they collect in swarms. A single grasshopper can consume 30 mg of food a day. In collections of 50 or more grasshoppers per square yard—a density often reached during grasshopper outbreaks—grasshoppers consume as much as a cow would per acre. In addition to consuming foliage, grasshoppers damage plants by attacking them at vulnerable points and causing the stems to break off.

The cover image is from the Dover Pictorial Archive. The cover font is Adobe ITC Garamond. The text font is Linotype Birka; the heading font is Adobe Myriad Condensed; and the code font is LucasFont’s TheSans Mono Condensed.

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