Whether this is of use to you depends greatly on whether you prefer sifting through the *Completions* window or not. Note that you have to use z to kill the buffer and not q like in most other transient buffers. Customizing *Completions*There’s a couple of customizable options that affect *Completions*. The first is completions-format. It controls how matches are ordered: horizontal, vertical, or
![Understanding Minibuffer Completion](https://cdn-ak-scissors.b.st-hatena.com/image/square/30017755a181ee0765ae7d400088bd52ddf6ad8b/height=288;version=1;width=512/https%3A%2F%2Fwww.masteringemacs.org%2Fstatic%2Fuploads%2Farticle-images%2Fengine-machine.jpg)