Linux - "find" command by examples

• Remove all subversion metadata (all directories with .svn name)
  

  find . -type d -name ".svn" | xargs rm -rf
  

• Remove all file begining with two digits number followed by underscore character
  

  find . -name "[0-9][0-9]_*" | xargs rm -rf
  

• Find all file which where modified within last 24 hours
  

  find . -mtime 0