diff --git a/ChangeLog b/ChangeLog
index 515ae8c..8d2077b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2025-06-16  hwpplayer1  <hwpplayer1@masscollabs>
 
+	* c-basic/CSD-C-Basic-Book/C.pdf: Unix/Linux Sistemlerinde Derleme ve Bağlama İşlemi sayfa 11
+	
 	* c-basic/CSD-C-Basic-Book/C.pdf: C Temal kitabı baştan okunuyor. Sayı Sistemleri sayfa 4
 
 2025-03-21  Mert Gör  <mertgor@masscollabs.xyz>
diff --git a/c-basic/main.c b/c-basic/main.c
index fc257e1..0d3132a 100644
--- a/c-basic/main.c
+++ b/c-basic/main.c
@@ -1,16 +1,10 @@
 #include <stdio.h>
-
-#ifndef HEX_READ_SCANF_H
-#define HEX_READ_SCANF_H
-
-extern void hex_scan();
-
-#endif // HEX_READ_SCANF_H
+#include "hello.c"
 
 int main()
 {
 
-  hex_scan();
-
+  hello();
+  
   return 0;
 }