diff --git a/index.md b/index.md
index 284499c..92e0400 100644
--- a/index.md
+++ b/index.md
@@ -37,9 +37,49 @@ subtitle: Possibilités, Porcelaine & Plomberie
 ## 2
 
 # Porcelaine → Bases
-## 1
-## 2
+
+## git init
+
+* bare | non-bare
+
+## git config
+
+* system → global → local
+* user name & email
+* description
+
+## git status
+
+* -u
 
 # Plomberie
-## 1
-## 2
+
+## Basique
+
+* .git/
+
+  ::: incremental
+  * config
+  * description
+  :::
+
+## Pointeurs
+
+* .git/refs/
+
+  ::: incremental
+  1. heads/branch
+  1. remotes/remote/branch
+  1. tags/tag
+  :::
+
+## Objets
+
+  * .git/objects
+  * git cat-file -t|-p hash
+  * git update-ref refs/heads/dev hash
+  * git symbolic-ref HEAD refs/heads/main
+  * git hash-object -w file
+  * git update-index
+  * git write-tree
+  * git commit-tree