diff --git a/README.md b/README.md
index 4b65e3292b5109dcee9f950229e05f1558d0612f..77189edb66a363e2dbd4b91605a6dc5a23245875 100644
--- a/README.md
+++ b/README.md
@@ -16,3 +16,58 @@ répondre à la question.
     - `all` $\rightarrow$ permet de spécifier sur quelles machines de
     l'inventaire le module sera appliqué, en l'occurrence on l'appliquera sur
     toutes les machines de l'inventaire donc H1, H2, R1, R2
+- Donner la commande _ad-hoc_ qui permet d’afficher l’uptime de toutes les
+machines, sans écrire de fichier inventaire. Démontrez que cette commande est
+correcte en l’exécutant sur la topologie
+    ```bash
+    ansible -a "uptime" -i "H1,H2,R1,R2" all
+    ansible -m command -a "uptime" -i "H1,H2,R1,R2" all
+    ```
+    ```bash
+    [WARNING]: Platform linux on host H2 is using the discovered Python interpreter at /usr/bin/python3.9, but future installation of another Python interpreter could change the
+    meaning of that path. See https://docs.ansible.com/ansible-core/2.18/reference_appendices/interpreter_discovery.html for more information.
+    H2 | CHANGED | rc=0 >>
+    08:47:28 up 46 min,  2 users,  load average: 0.00, 0.00, 0.00
+    [WARNING]: Platform linux on host R1 is using the discovered Python interpreter at /usr/bin/python3.9, but future installation of another Python interpreter could change the
+    meaning of that path. See https://docs.ansible.com/ansible-core/2.18/reference_appendices/interpreter_discovery.html for more information.
+    R1 | CHANGED | rc=0 >>
+    08:47:29 up 46 min,  2 users,  load average: 0.00, 0.00, 0.00
+    [WARNING]: Platform linux on host R2 is using the discovered Python interpreter at /usr/bin/python3.9, but future installation of another Python interpreter could change the
+    meaning of that path. See https://docs.ansible.com/ansible-core/2.18/reference_appendices/interpreter_discovery.html for more information.
+    R2 | CHANGED | rc=0 >>
+    08:47:29 up 46 min,  2 users,  load average: 0.00, 0.00, 0.00
+    [WARNING]: Platform linux on host H1 is using the discovered Python interpreter at /usr/bin/python3.9, but future installation of another Python interpreter could change the
+    meaning of that path. See https://docs.ansible.com/ansible-core/2.18/reference_appendices/interpreter_discovery.html for more information.
+    H1 | CHANGED | rc=0 >>
+    08:47:29 up 46 min,  2 users,  load average: 0.00, 0.00, 0.00
+    ```
+- Donner la commande _ad-hoc_ qui va créer le fichier `/tmp/hello.txt` sur toutes
+les machines. Montrez sa sortie par une capture d’écran.
+    ```bash
+    ansible -a "touch /tmp/hello.txt" -i "H1,H2,R1,R2" all
+    ```
+    ```bash
+    [WARNING]: Platform linux on host H1 is using the discovered Python interpreter at /usr/bin/python3.9, but future installation of another Python interpreter could change the
+    meaning of that path. See https://docs.ansible.com/ansible-core/2.18/reference_appendices/interpreter_discovery.html for more information.
+    H1 | CHANGED | rc=0 >>
+    
+    [WARNING]: Platform linux on host R1 is using the discovered Python interpreter at /usr/bin/python3.9, but future installation of another Python interpreter could change the
+    meaning of that path. See https://docs.ansible.com/ansible-core/2.18/reference_appendices/interpreter_discovery.html for more information.
+    R1 | CHANGED | rc=0 >>
+    
+    [WARNING]: Platform linux on host H2 is using the discovered Python interpreter at /usr/bin/python3.9, but future installation of another Python interpreter could change the
+    meaning of that path. See https://docs.ansible.com/ansible-core/2.18/reference_appendices/interpreter_discovery.html for more information.
+    H2 | CHANGED | rc=0 >>
+    
+    [WARNING]: Platform linux on host R2 is using the discovered Python interpreter at /usr/bin/python3.9, but future installation of another Python interpreter could change the
+    meaning of that path. See https://docs.ansible.com/ansible-core/2.18/reference_appendices/interpreter_discovery.html for more information.
+    R2 | CHANGED | rc=0 >>
+    ```
+- Quelle est la différente entre les modules `command`, `shell` et `raw` ?
+Expliquez et donner des exemples.
+    - `command` $\rightarrow$
+    - `shell` $\rightarrow$
+    - `raw` $\rightarrow$ ce module est différent des deux autres dans la mesure
+    où il ne transfère pas de code `python` sur l'hôte distant. La commande
+    spécifié sera exécuté par le daemon `sshd` en créant un processus enfant
+    sur la machine distante