diff --git a/cheatsheets/find b/cheatsheets/find
index a506327..a8ef46b 100644
--- a/cheatsheets/find
+++ b/cheatsheets/find
@@ -22,3 +22,5 @@ find ./path/ -name '*.txt' | xargs grep 'string'
 # To find files with size bigger than 5 Mb and sort them by size:
 find ./ -size +5M -type f -print0 | xargs -0 ls -Ssh
 
+# To find files bigger thank 2 MB and list them:
+find / -type f -size +20000k -exec ls -lh {} \; | awk '{ print $9 ": " $5 }'
diff --git a/cheatsheets/lsof b/cheatsheets/lsof
index 2f4ddcc..ca08a02 100644
--- a/cheatsheets/lsof
+++ b/cheatsheets/lsof
@@ -1,2 +1,5 @@
-# To find listening ports 
+# To find listening ports:
 lsof -Pnl +M -i4
+
+# To find which program is using the port 80:
+lsof -i TCP:80