diff --git a/notes/.obsidian/plugins/obsidian-activity-history/data.json b/notes/.obsidian/plugins/obsidian-activity-history/data.json
index d97b109..090ae32 100644
--- a/notes/.obsidian/plugins/obsidian-activity-history/data.json
+++ b/notes/.obsidian/plugins/obsidian-activity-history/data.json
@@ -13,7 +13,7 @@
     {
       "path": "/",
       "date": "2022-02-02",
-      "size": 743431
+      "size": 743593
     }
   ],
   "activityHistory": [
@@ -58,7 +58,7 @@
         },
         {
           "date": "2022-02-02",
-          "value": 1009
+          "value": 1373
         }
       ]
     }
diff --git a/notes/har/BIOS.md b/notes/har/BIOS.md
new file mode 100644
index 0000000..499be25
--- /dev/null
+++ b/notes/har/BIOS.md
@@ -0,0 +1,12 @@
+# BIOS
+Basic input output system
+Základní program
+Rozpoznává a aktivuje komunikaci veškerého HW
+testuje funkčnost PC - [[#POST]]
+zavádí operační systém ze spouštěcího oddílu disku
+
+## POST
+Power on self test
+
+## UEFI
+Novější verze BIOSu.
\ No newline at end of file
diff --git a/notes/har/har.md b/notes/har/har.md
index 6a4c673..c5be782 100644
--- a/notes/har/har.md
+++ b/notes/har/har.md
@@ -7,6 +7,7 @@ type: folder_brief_live
 imagePrefix: 'data/'
 ```
 %% Zoottelkeeper: Beginning of the autogenerated index file list  %%
+-  [[har/BIOS|BIOS]]
 -  [[har/CPU|CPU]]
 -  [[har/historie počítačů|historie počítačů]]
 -  [[har/IQRF|IQRF]]