diff --git a/conf.go b/conf.go
deleted file mode 100644
index 0340af8..0000000
--- a/conf.go
+++ /dev/null
@@ -1,26 +0,0 @@
-package main
-
-import (
-  "fmt"
-  "os"
-)
-
-func main() {
-  homeDir, err := os.UserHomeDir()
-  if err != nil {
-    return
-  }
-  if fileExists(homeDir+"/.gosh_history") {
-    fmt.Println("GoSh History file exists")
-  } else {
-    fmt.Println("GoSh History file does not exist")
-  }
-}
-
-func fileExists(filename string) bool {
-   info, err := os.Stat(filename)
-   if os.IsNotExist(err) {
-      return false
-   }
-   return !info.IsDir()
-}
diff --git a/main.go b/main.go
index cd537e8..5f67638 100644
--- a/main.go
+++ b/main.go
@@ -27,16 +27,18 @@ func main() {
 }
 
 func execInput(input string) error {
-	// Remove the newline caracter.
+	// Remove the newline character.
 	input = strings.TrimSuffix(input, "\n")
 
 	// Split the input to separate the command and the arguments.
 	args := strings.Split(input, " ")
 
+	// Sauvegarde l'historique avant de traiter la commande
+	checkHistoryAndWrite(input)
+
 	// Check for built-in commands.
 	switch args[0] {
 	case "cd":
-		// Change to ~ with an empty PATH is not supported
 		if len(args) < 2 || args[1] == "" {
 			homeDir, err := os.UserHomeDir()
 			if err != nil {
@@ -44,12 +46,12 @@ func execInput(input string) error {
 			}
 			return os.Chdir(homeDir)
 		}
-		// Change the dir and return the error.
 		return os.Chdir(args[1])
 	case "exit":
 		os.Exit(0)
 	case "version":
-		println("GoShell Version 0.0.1")
+		println("GoShell Version 0.2.0")
+		return nil
 	}
 
 	// Pass the program and the arguments separately.
@@ -62,3 +64,32 @@ func execInput(input string) error {
 	// Execute the command and return the error.
 	return cmd.Run()
 }
+
+func fileExists(filename string) bool {
+	info, err := os.Stat(filename)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !info.IsDir()
+}
+
+func checkHistoryAndWrite(text string) error {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return errors.New("Unable to get home directory")
+	}
+	filePath := homeDir + "/.gosh_history"
+
+	// Ouvre le fichier en mode append et avec les bons droits
+	file, err := os.OpenFile(filePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
+	if err != nil {
+		return fmt.Errorf("Can't open history file: %v", err)
+	}
+	defer file.Close()
+
+	_, err = file.WriteString(text + "\n")
+	if err != nil {
+		return fmt.Errorf("Can't write to history: %v", err)
+	}
+	return nil
+}