NAME
whatis - search the whatis database for complete words
SYNOPSIS
whatis keyword ...
DESCRIPTION
whaits searches a set of databases files containing short descriptions of system comand for keywords and displays the result on the standard output。 Only complete word matches are displayed
whatis 搜索数据库文件中包含的简短描述的系统命令关键词，然后显示结果到标准输出。只显示完整匹配的关键字。
the whatis database is create using the command /usr/sbin/makewhatis.
whatis数据库被/usr/sbin/makewhatis创建
whatis命令详解
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转载自blog.51cto.com/13508525/2471839
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