find - a utility for finding files.

find -[PLH] search-start-point[s] [filters] [actions]

Options
-P - default, don't follow symbolic links.

-L - follow symbolic links, even onto other filesystems.

-H - follow link only if it is a searh-start-point.

search-start-point[s] 
- list of directories where to start search in.

- can be relative or absolute.

- if file found, directory path included in found file info.

filters - list of contitional qualifying tests - optional.
Partial list of filters.

-mount - stay in local file-system of search-start-point.
  When used with -L, follows links but only on same partition.

-name name - look for specified name. Filename wild-cards allowed
  so quoting is a good idea in many cases.

-inum n - look for filename[s] with the inode n. Good for
  finding multiple names for a file. Note, you must have permissions to
  access directories under starting-point.

-link n - look for files having a certain link count. +/- can
  be used to specify greater or less than.