diff --git a/assets/style.scss b/assets/style.scss
index 2a62375..ad3b074 100644
--- a/assets/style.scss
+++ b/assets/style.scss
@@ -109,6 +109,24 @@ a:active {
     }
 }
 
+ul.lsresult {
+  margin: 0;
+  padding: 0;
+  display: table;
+
+  li {
+    display: table-row;
+  }
+
+  li span {
+    display: table-cell;
+  }
+
+  li span:not(:first-child) {
+    padding-left: 1ch;
+  }
+}
+
 // Menus.
 // ======
 .menu {
diff --git a/hugo.yaml b/hugo.yaml
index 3fa659a..25f8d89 100644
--- a/hugo.yaml
+++ b/hugo.yaml
@@ -16,6 +16,10 @@ frontmatter:
     - :fileModTime
     - :default
 
+params:
+  owner: alexis
+  group: alexis
+
 pagination:
   pagerSize: 15
 
diff --git a/layouts/_partials/header.html b/layouts/_partials/header.html
index 2420ea2..30fde2e 100644
--- a/layouts/_partials/header.html
+++ b/layouts/_partials/header.html
@@ -1,4 +1,14 @@
 {{ partial "breadcrumb.html" . }}
 
-{{ partial "menu.html" . }}
+{{ partial "lsmenu.html" (cond .IsNode . .CurrentSection) }}
+
+<div class="cmdblock">
+  <p aria-hidden="true" class="prompt">
+    {{ if .IsNode }}
+      sommaire .
+    {{ else }}
+      cat {{ .LinkTitle }}
+    {{ end }}
+  </p>
+</div>
 {{/* vim: set tw=80 ts=2 sw=2 sts=2 ft=gohtmltmpl: */}}
diff --git a/layouts/_partials/lsline.html b/layouts/_partials/lsline.html
new file mode 100644
index 0000000..9c8b0c2
--- /dev/null
+++ b/layouts/_partials/lsline.html
@@ -0,0 +1,42 @@
+{{ $page := .page }}
+<span aria-hidden="true">
+  {{ if not $page.IsNode }}
+    -rw-r--r--
+  {{ else }}
+    drwxr-xr-x
+  {{ end }}
+</span>
+<span aria-hidden="true" style="text-align: right">
+  {{ if $page.IsNode }}{{ len $page.Pages }}{{ else }}1{{ end }}
+</span>
+<span aria-hidden="true">{{ $page.Site.Params.owner }}</span>
+<span aria-hidden="true">{{ $page.Site.Params.group }}</span>
+<span aria-hidden="true" style="text-align: right">
+  {{/* La taille d'un répertoire est 4Kio. */}}
+  {{ if $page.IsNode }}4096{{ else }}{{ $page.Len }}{{ end }}
+</span>
+{{ with (or $page.PublishDate $page.Lastmod) }}
+  <span aria-hidden="true" style="text-align: right">{{ .Day }}</span>
+  <span aria-hidden="true">{{ .Format "Jan" }}</span>
+  <span aria-hidden="true" style="text-align: right">
+    {{ if eq .Year time.Now.Year }}
+      {{ . | time.Format ":time_short" }}
+    {{ else }}
+      {{ .Year }}
+    {{ end }}
+  </span>
+{{ end }}
+<span>
+  <a class="{{ with $page.Params.class -}}{{ . }}{{ end }}"
+    {{ with .currentPage }}
+      {{ if .Eq $page }}
+        href=""
+      {{ else }}
+        href="{{ $page.RelPermalink }}"
+      {{ end }}
+    {{ else }}
+        href="{{ $page.RelPermalink }}"
+    {{ end }}
+     title="{{ $page.Title }}">{{ or .linkTitle $page.LinkTitle }}</a>
+</span>
+{{/* vim: set tw=80 ts=2 sw=2 sts=2 ft=gohtmltmpl: */}}
diff --git a/layouts/_partials/lsmenu.html b/layouts/_partials/lsmenu.html
new file mode 100644
index 0000000..793c4c2
--- /dev/null
+++ b/layouts/_partials/lsmenu.html
@@ -0,0 +1,43 @@
+{{ $page := . }}
+<div class="cmdblock">
+  <nav role="menu" aria-label="menu">
+    <p aria-hidden="true" class="prompt">ls -alh</p>
+    {{/* . et .. sont comptés dans le calcul. */}}
+    {{ $sum := add 4096 4096 }}
+    {{ range .Pages }}
+      {{ if .IsNode }}
+        {{/* Un nœud c'est 4096 octets. */}}
+        {{ $sum = add $sum 4096 }}
+      {{ else }}
+        {{ $sum = add $sum .Len }}
+      {{ end }}
+    {{ end }}
+    {{/* La commande ls affiche total en Kio. */}}
+    <p aria-hidden="true">total {{ math.Floor (div $sum 1024) }}</p>
+    <ul class="lsresult">
+      <li>
+        {{ partial "lsline.html" (dict "page" . "linkTitle" ".") }}
+      </li>
+      <li>
+        {{ if .Parent }}
+          {{ partial "lsline.html" (dict "page" .Parent "linkTitle" "..") }}
+        {{ else }}
+          {{ partial "lsline.html" (dict "page" . "linkTitle" "..") }}
+        {{ end }}
+      </li>
+      {{ range .Sections.ByLastmod.Reverse }}
+        <li>
+          {{ partial "lsline.html" (dict "page" . "linkTitle" .LinkTitle) }}
+        </li>
+      {{ end }}
+      {{ range .Pages.ByPublishDate.Reverse }}
+        {{ if .IsPage }}
+        <li>
+          {{ partial "lsline.html" (dict "page" . "linkTitle" .LinkTitle "currentPage" $page) }}
+        </li>
+        {{ end }}
+      {{ end }}
+    </ul>
+  </nav>
+</div>
+{{/* vim: set tw=80 ts=2 sw=2 sts=2 ft=gohtmltmpl: */}}