I don&#x27;t see cat in the list of commands (<a href="https:&#x2F;&#x2F;github.com&#x2F;askucher&#x2F;nixar&#x2F;tree&#x2F;master&#x2F;commands" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;askucher&#x2F;nixar&#x2F;tree&#x2F;master&#x2F;commands</a>). cat is cat.