* This command finds all the files and removes them. The slash is to escape the semicolon. We don't want the semicolon to be taken as a command seperator. (it's a command delimitor for the parameter -exec).

find -name "*" -exec rm {} \;

* This command finds and removes all files and executes ls.

find -name "*" -exec rm {} \;; ls

* Find only regular files (not directories, sockets, etc).

find -type f -print

* Find patterns 'foo' in all files starting from the current directory(.).

find . -type f -exec grep foo {} \;

* List full pathnames of files in directory dirname.

find dirname

* Finds the file test.txt.

find . | grep test.txt