片语
where we在这里我们
where it is问题的关键所在;实际情况
Bread where混饭吃
Where Used何处使用
Where you妳在哪
Where Existing如果有
Where bought从哪买的
where necessary必要时;需要时;必要地方
look where期待着在
where iswhereis is a Unix command used to locate some special files of a Unix command like the binary, source and manual page file Unix which is usually preferred to locate a binary file, because it is POSIX and it can identify shell aliase