diff --git a/FILES.md b/FILES.md
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index 0000000..a95fffc
--- /dev/null
+++ b/FILES.md
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+- [./code_of_conduct.md](./code_of_conduct.md)
+- [./contribute.md](./contribute.md)
+- [./notes/certificats/creer_une_autorite_de_certification_CA_privee.md](./notes/certificats/creer_une_autorite_de_certification_CA_privee.md)
+- [./notes/serveur/fail2ban.md](./notes/serveur/fail2ban.md)
+- [./notes/serveur/fail2ban-postfix-sasl.md](./notes/serveur/fail2ban-postfix-sasl.md)
+- [./notes/serveur/fail2ban-sshd.md](./notes/serveur/fail2ban-sshd.md)
+- [./notes/serveur/postfix-delete-messages-deferred.md](./notes/serveur/postfix-delete-messages-deferred.md)
+- [./notes/webapps/clamav-avec-nextcloud.md](./notes/webapps/clamav-avec-nextcloud.md)
+- [./update_files.md](./update_files.md)
+- [./FILES.md](./FILES.md)
diff --git a/update_files.md b/update_files.md
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+#!/bin/bash
+
+# Fichier README.md
+README="FILES.md"
+
+# Temporary file for new list
+TEMP_FILE=$(mktemp)
+
+# Get all .md files in the repository except the README.md
+find . -type f -name "*.md" ! -name "README.md" | sort > "$TEMP_FILE"
+
+# Extract the list of .md files from README.md
+grep -o '\[.*\](.*\.md)' "$README" | sed 's/^.*(\(.*\))$/\1/' | sort > "${README}.old"
+
+# Compare and update README.md
+comm -23 "${README}.old" "$TEMP_FILE" | while read -r file; do
+    echo "Removing $file from $README"
+    sed -i "\|$file|d" "$README"
+done
+
+comm -13 "${README}.old" "$TEMP_FILE" | while read -r file; do
+    echo "Adding $file to $README"
+    echo "- [$file]($file)" >> "$README"
+done
+
+# Clean up
+rm "$TEMP_FILE" "${README}.old"
+
+echo "$README has been updated."