diff --git a/Presentation.md b/Presentation.md
index 000b82f..dac5154 100644
--- a/Presentation.md
+++ b/Presentation.md
@@ -19,6 +19,14 @@ With Celox, you'll have :
 - NAS, so storage is already handled ?
 - Rackable version ?
 
+### OS
+
+**TBD**
+- Debian | Very light, LTS support, everybody knows it
+- Ubuntu server | Light, LTS support, mainstream
+- Archlinux | Very very light, harder to support and lear
+- Unraid | NAS OS, would be perfect if we use NAS hardware
+
 ### Infrastructure
 
 With example url : celox.abc that redirect you to your locally hosted server