From 0227947962421b018ae30e2ca6669bca4b439954 Mon Sep 17 00:00:00 2001
From: Michele Cereda <cereda.michele@gmail.com>
Date: Sun, 30 Jul 2023 21:29:57 +0200
Subject: [PATCH] fix: missing command

---
 knowledge base/swap.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/knowledge base/swap.md b/knowledge base/swap.md
index 60ee79f..7b9a468 100644
--- a/knowledge base/swap.md	
+++ b/knowledge base/swap.md	
@@ -32,6 +32,9 @@ vmstat --wide 1
 ## Swappiness
 
 ```sh
+# check the current value
+sysctl vm.swappiness
+
 # change the current value
 sudo sysctl vm.swappiness=10
 sudo sysctl -w vm/swappiness=5