title: What's meaning of -print0 in following command
body: <p>I am using following command in Mac to replace string. 
  Here I have a question about -print0. What's usage of it?</p>
  
  <pre><code>find skeleton/src/IO.Swagger/Controllers -name '*.cs'  -print0| xargs -0 sed -i "" "s/namespace IO.Swagger.Controllers/namespace Abc.GroupA.TableLocalService.Controllers/g"
  </code></pre>