os/posix-exec" class="binding-sym">os/posix-exec</span> <span class="binding-type">cfunction</span> <span class="binding-type"><a href="https://github.com/janet-lang/janet/blob/0d9e999/src/core/os.c#L1413">source</a></span> <pre class="binding-text">(os/posix-exec args &amp;opt flags env)

Use the execvpe or execve system calls to replace the current process with an interface similar to os/execute. Hoever, instead of creating a subprocess, the current process is replaced. Is not supported on windows, and do