每种Shell都有一个内置命令的分类；PATH环境变量用于指定搜索的列表和目录；而别名可以作为简写。
Each shell has an assortment of built-in commands; the PATH environment variable specifies the list and order of directories to search; and each alias ACTS as shorthand.
比如，那些通常要寻找合适的饭店的搜索用户，或许可以建立一个搜索本地酒点列表的CheapEats这样一个别名。
Searchers who regularly want to find affordable restaurants, for example, might create a CheapEats alias that searches a list of local food websites.
网络游戏今年首次跻身雅虎十大热门搜索榜，免费联众游戏“江湖”和“梦幻足球”分别名列第七位和第八位。
Online gaming took two slots in the list for the first time with the free multi-player game RuneScape at No. 7 and Fantasy Football at No. 8.
网络游戏今年首次跻身雅虎十大热门搜索榜，免费联众游戏“江湖”和“梦幻足球”分别名列第七位和第八位。
Online gaming took two slots in the list for the first time with the free multi-player game RuneScape at No. 7 and Fantasy Football at No. 8.
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