whereis

whereis is a Unix command used to locate some special files of a Unix command like the binary, source and manual page files. Unix type is usually preferred to locate a binary file, because it is POSIX and it can identify shell aliases.

Here is an example usage from the man page:

单词	whereis
释义	whereis 英语百科 whereis whereis is a Unix command used to locate some special files of a Unix command like the binary, source and manual page files. Unix `type` is usually preferred to locate a binary file, because it is POSIX and it can identify shell aliases. Here is an example usage from the man page:
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