diff --git a/000.md b/000.md
index e45dadff..e26d48b7 100644
--- a/000.md
+++ b/000.md
@@ -8,7 +8,7 @@ title:  "GitHub Page Configuration Files"
 
 ```
 title: Operating Systems - Sistem Operasi
-version:     "613b---23-Jul-2024"
+version:     "613c---23-Jul-2024"
 copyright:   "2018-2024"
 description: This is the Operating System course site,
       a GitHub Page, hosted at GitHub.com (thank you!).
diff --git a/_config.yml b/_config.yml
index 8e5fa355..7b79a891 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,5 +1,5 @@
 title: Operating Systems - Sistem Operasi
-version:     "613b---23-Jul-2024"
+version:     "613c---23-Jul-2024"
 copyright:   "2018-2024"
 description: This is the Operating System course site,
       a GitHub Page, hosted at GitHub.com (thank you!).
diff --git a/index.md b/index.md
index 9a731492..b189fd68 100644
--- a/index.md
+++ b/index.md
@@ -47,14 +47,14 @@ title:  "Operating Systems - Sistem Operasi"
 [&#x213C;](#)<br id="idx03">
 # LINKS
 
-* [Operating System Concepts 10ed. Slides](https://codex.cs.yale.edu/avi/os-book/OS10/slide-dir/)
-* [Introduction to GNU/Linux](https://doit.vlsm.org/038.html) ---
+* [Operating System Concepts 10ed. Slides](https://codex.cs.yale.edu/avi/os-book/OS10/slide-dir/){:target="_blank"}
+* [Introduction to GNU/Linux](https://doit.vlsm.org/038.html){:target="_blank"} ---
   Study some Command Lines, Editor, Regular Expression (regex), and String Processing. 
-  * [More GNU/Linux](https://doit.vlsm.org/039.html) ---
+  * [More GNU/Linux](https://doit.vlsm.org/039.html){:target="_blank"} ---
     There are too many "GNU/Linux" sites around, do your own GSGS!
-  * [From Students for Students](https://doit.vlsm.org/040.html) ---
+  * [From Students for Students](https://doit.vlsm.org/040.html){:target="_blank"} ---
     Links from previous semesters.
-* [YouTube: OS Playlists](/playlists/)
+* [YouTube: OS Playlists](/playlists/){:target="_blank"}
 
 [&#x213C;](#)<br id="idx04">
 # MORE LINKS
diff --git a/zold-index.md b/zold-index.md
index 1d2bc824..1bbb83f8 100644
--- a/zold-index.md
+++ b/zold-index.md
@@ -32,14 +32,14 @@ title:  "Operating Systems - Sistem Operasi"
 [&#x213C;](#)<br id="idx03">
 # LINKS
 
-* [Operating System Concepts 10ed. Slides](https://codex.cs.yale.edu/avi/os-book/OS10/slide-dir/)
-* [Introduction to GNU/Linux](https://doit.vlsm.org/038.html) ---
+* [Operating System Concepts 10ed. Slides](https://codex.cs.yale.edu/avi/os-book/OS10/slide-dir/){:target="_blank"}
+* [Introduction to GNU/Linux](https://doit.vlsm.org/038.html){:target="_blank"} ---
   Study some Command Lines, Editor, Regular Expression (regex), and String Processing. 
-  * [More GNU/Linux](https://doit.vlsm.org/039.html) ---
+  * [More GNU/Linux](https://doit.vlsm.org/039.html){:target="_blank"} ---
     There are too many "GNU/Linux" sites around, do your own GSGS!
-  * [From Students for Students](https://doit.vlsm.org/040.html) ---
+  * [From Students for Students](https://doit.vlsm.org/040.html){:target="_blank"} ---
     Links from previous semesters.
-* [YouTube: OS Playlists](/playlists/)
+* [YouTube: OS Playlists](/playlists/){:target="_blank"}
 
 [&#x213C;](#)<br id="idx04">
 # MORE LINKS