Page 2, chapter <em>1. Source Control & Why you need it</em>, section <em>1.3. Source control description</em>, subsection <em>1.3.1. Check out systems</em>, last but one sentence of the page, it’s written:<br />

“They can get a read-only copy so <strong>they can say build software</strong> but only the ‘owner’ can edit it.”<br />

The part emphasized is incomprehensible there, and I didn’t understand what it is supposed to mean in fact.