diff --git a/commander/pom.xml b/commander/pom.xml
index 42bb88f3..437a64bf 100644
--- a/commander/pom.xml
+++ b/commander/pom.xml
@@ -43,6 +43,12 @@
             <version>4.0.18</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.testfx</groupId>
+            <artifactId>openjfx-monocle</artifactId>
+            <version>jdk-12.0.1+2</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/commander/src/main/java/hse/java/commander/MainController.java b/commander/src/main/java/hse/java/commander/MainController.java
index 5de3b66d..13d23f1d 100644
--- a/commander/src/main/java/hse/java/commander/MainController.java
+++ b/commander/src/main/java/hse/java/commander/MainController.java
@@ -3,8 +3,9 @@
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
 import javafx.scene.control.ListView;
-
-import java.nio.file.Path;
+import java.lang.Throwable;
+import java.nio.file.*;
+import java.util.stream.Stream;
 
 public class MainController {
 
@@ -14,32 +15,149 @@ public class MainController {
     @FXML
     public ListView<String> right;
 
+    @FXML
+    public Button copy;
+
     @FXML
     public Button move;
 
-    private Path leftDir;
-    private Path rightDir;
+    @FXML
+    public Button delete;
+
+    private Path leftPath;
+    private Path rightPath;
+    private ListView<String> Panel;
 
     // for testing
     public void setInitialDirs(Path leftStart, Path rightStart) {
-        this.leftDir = leftStart;
-        this.rightDir = rightStart;
+        this.leftPath = leftStart;
+        this.rightPath = rightStart;
+        update();
     }
 
     public void initialize() {
-        move.setOnMouseClicked(event -> {
+        if (leftPath == null) {
+            leftPath = Paths.get(System.getProperty("user.home"));
+        }
+        if (rightPath == null) {
+            rightPath = Paths.get(System.getProperty("user.home"));
+        }
+        Panel = left;
+        update();
 
+        left.setOnMouseClicked(e -> {
+            Panel = left;
+            if (e.getClickCount() == 2) {
+                open(left);
+            }
         });
-        System.out.println(System.getProperty("user.home"));
-        left.getItems().add("Kek");
-
-        left.setOnMouseClicked(event -> {
-            if (event.getClickCount() == 2) {
-                int index = left.getSelectionModel().getSelectedIndex();
-                if (index >= 0) {
-                    left.getItems().set(index, "clicked");
-                }
+
+        right.setOnMouseClicked(e -> {
+            Panel = right;
+            if (e.getClickCount() == 2) {
+                open(right);
             }
         });
+
+        copy.setOnAction(e -> copy());
+        move.setOnAction(e -> move());
+        delete.setOnAction(e -> delete());
+    }
+
+    private void dir(ListView<String> panel, Path path) {
+        panel.getItems().clear();
+        panel.getItems().add("...");
+        try (Stream<Path> f = Files.list(path)) {
+            f.forEach(p -> panel.getItems().add(p.getFileName().toString()));
+        } catch (Throwable e) {}
+    }
+
+    private void update() {
+        dir(left, leftPath);
+        dir(right, rightPath);
+    }
+
+    private void open(ListView<String> panel) {
+        String name = panel.getSelectionModel().getSelectedItem();
+        if (name == null) return;
+
+        Path curr = panel == left ? leftPath : rightPath;
+
+        if (name.equals("...")) {
+            Path par = curr.getParent();
+            if (par != null) {
+                if (panel == left) {
+                    leftPath = par;
+                } else {
+                    rightPath = par;
+                }
+                update();
+            }
+            return;
+        }
+        Path next = curr.resolve(name);
+        if (Files.isDirectory(next)) {
+            if (panel == left) {
+                leftPath = next;
+            } else {
+                rightPath = next;
+            }
+            update();
+        }
+    }
+
+    @FXML
+    public void copy() {
+        if (Panel == null) return;
+
+        String name = Panel.getSelectionModel().getSelectedItem();
+        if (name == null || name.equals("...")) return;
+
+        Path srcPath = (Panel == left) ? leftPath : rightPath;
+        Path dstPath = (Panel == left) ? rightPath : leftPath;
+
+        Path src = srcPath.resolve(name);
+        Path dst = dstPath.resolve(name);
+
+        try {
+            Files.copy(src, dst, StandardCopyOption.REPLACE_EXISTING);
+        } catch (Throwable e) {}
+
+        update();
+    }
+
+    @FXML
+    public void move() {
+        if (Panel == null) return;
+
+        String name = Panel.getSelectionModel().getSelectedItem();
+        if (name == null || name.equals("...")) return;
+
+        Path srcPath = (Panel == left) ? leftPath : rightPath;
+        Path dstPath = (Panel == left) ? rightPath : leftPath;
+
+        Path src = srcPath.resolve(name);
+        Path dst = dstPath.resolve(name);
+
+        try {
+            Files.move(src, dst, StandardCopyOption.REPLACE_EXISTING);
+        } catch (Throwable e) {}
+        update();
+    }
+
+    @FXML
+    public void delete() {
+        if (Panel == null) return;
+
+        String name = Panel.getSelectionModel().getSelectedItem();
+        if (name == null || name.equals("...")) return;
+
+        Path dir = (Panel == left) ? leftPath : rightPath;
+        Path file = dir.resolve(name);
+
+        try {
+            Files.deleteIfExists(file);
+        } catch (Throwable e) {}
+        update();
     }
-}
+}
\ No newline at end of file