diff --git a/CLI/CLI.c b/CLI/CLI.c
index a17eac0..4825a58 100644
--- a/CLI/CLI.c
+++ b/CLI/CLI.c
@@ -107,6 +107,39 @@ void CLI_PrintHistory()
 	}
 	free(historyList);
 }
+
+void historyPrevius()
+{
+	char* line;
+	if (
+		   (History_getCurrPos(History) == History_getSize(History))
+		&& (FIFOBuffChar_getSize(FIFO) > 0)
+	)
+	{
+		// add current text to end of history
+		line = fifoToString(FIFO);
+		History_put(History, line);
+	}
+
+	// empty current line
+	while (FIFOBuffChar_getSize(FIFO) > 0)
+	{
+		CLI_stringOut((char*)"\x1b[D \x1b[D");
+		FIFOBuffChar_pop(FIFO);
+	}
+
+	// get previus command
+	int ret = History_getPrev(History, &line);
+
+	// write line
+	if ((ret >= 0) && (line != NULL))
+	{
+		for (int i=0; *(line + i) != '\0'; i++)
+		{
+			CLI_charIn(*(line + i));
+		}
+	}
+}
 #endif
 
 int tryExecute(FIFOBuffChar_t* fifo)
@@ -234,8 +267,8 @@ bool CLI_charIn(char c)
 			{
 #ifdef HISTORY
 				case 'A': // arrow up
-					// history previus
-					CLI_stringOut((char*)"(key: arrow up)");
+					historyPrevius();
+					// CLI_stringOut((char*)"(key: arrow up)");
 					CLI_State = CLI_State_Default;
 					break;
 				case 'B': // arrow down
diff --git a/History/History.c b/History/History.c
index 4c9bcfa..612c6d2 100644
--- a/History/History.c
+++ b/History/History.c
@@ -167,6 +167,33 @@ int History_getFullHistory(History_t* history, char*** list)
 	return retCode;
 }
 
+int History_getCurrPos(History_t* history)
+{
+	int retCode = 0;
+
+	if (history->CurrEl_p != NULL)
+	{
+		History_element_t* el = history->FirstEl_p;
+		for (int i = 0; (el != history->CurrEl_p) && (retCode >= 0); i++)
+		{
+			if (el->nextEl_p == NULL)
+			{
+				retCode = 2;
+			}
+			else
+			{
+				el = (History_element_t*)el->nextEl_p;
+			}
+		}
+	}
+	else
+	{
+		retCode = History_getSize(history);
+	}
+
+	return retCode;
+}
+
 unsigned int History_getSize(History_t *history)
 {
 	return history->size;
diff --git a/History/history.h b/History/history.h
index d6c7b60..35bc020 100644
--- a/History/history.h
+++ b/History/history.h
@@ -31,6 +31,8 @@ extern int History_put(History_t *history, char* line);
 extern int History_getPrev(History_t* history, char** line);
 extern int History_getNext(History_t* history, char** line);
 
+extern int History_getCurrPos(History_t* history);
+
 extern int History_getFullHistory(History_t* history, char*** list);
 
 extern unsigned int History_getSize(History_t *history);