比如Fedora 9的开发代号是sulphur，英文意思是硫磺，fedora 8的开发代号是Werewolf，英文意思是狼人，而硫磺在古代是用来驱散狼群用的；fedora 7的代号是moonshine，英文意思是月光，传说中人看到月光就会变成狼人。
下面是关于其他开发代号的解释：
Fedora 9 (Sulphur)
Sulphur is an element that causes an adverse reaction (tarnishing) when it contacts silver. In mythology, it is a element used to drive away werewolves.
Fedora 8 (Werewolf)
Werewolf is the name of a movie about a dude who turns into a werewolf. A werewolf also has an adverse reaction (death) when it comes into contact with silver.
Fedora 7 (Moonshine)
Moonshine is an independent record label, and also the name of a movie.
Fedora Core 6 (Zod)
General Zod is a character in the DC Comics universe, as well as an independent record label.
Fedora Core 5 (Bordeaux)
Bordeaux is a wine-producing region in France, as well as a comic book character.
Fedora Core 4 (Stentz)
Andre Stentz is a French winery. As such, both Heidelberg and Stentz are distributors of alcoholic beverages.
Fedora Core 3 (Heidelberg)
Heidelberg is a city in Germany, and also a brand/distributor of beer.
Fedora Core 2 (Tettnang)
Tettnang is a city in Germany that is a producer of hops.
Fedora Core 1 (Yarrow)
Yarrow is a plant with many uses. Prior to the use of hops in the flavoring of beer, yarrow was used for this purpose.
(来自rocrocket)