contain the keys :in, :out, and :err, which allow redirecting stdio in the subprocess. :in, :out, and :err should be core/file values or core/stream values. core/file values and core/stream values passed to :in, :out, and :err should be closed manually because os/execute doesn't close them. Returns the exit code of the program.</pre><a href="https://janetdocs.org/os/execute">Community Examples</a></div><hr><div class="binding"><span id="os/exit" class="binding-sym">os/exit</span> <span class="binding-type">