diff --git a/linux.md b/linux.md
index ab288fc..0f3c4ec 100644
--- a/linux.md
+++ b/linux.md
@@ -21,6 +21,10 @@ To find the largest 20 files in a directory:
 
 <br>
 
+Find the total size of a folder: `du -hs /foldername`
+
+<br>
+
 ### Set script as startup
 If, for some reason, apache isn't startup: