diff --git a/commander/src/main/java/hse/java/commander/MainController.java b/commander/src/main/java/hse/java/commander/MainController.java
index 5de3b66d..ef63bb18 100644
--- a/commander/src/main/java/hse/java/commander/MainController.java
+++ b/commander/src/main/java/hse/java/commander/MainController.java
@@ -3,8 +3,10 @@
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
 import javafx.scene.control.ListView;
-
+import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.Objects;
 
 public class MainController {
 
@@ -17,29 +19,131 @@ public class MainController {
     @FXML
     public Button move;
 
+    @FXML
+    public Button copy;
+
+    @FXML
+    public Button delete;
+
     private Path leftDir;
     private Path rightDir;
 
+    private boolean leftAct;
+
     // for testing
     public void setInitialDirs(Path leftStart, Path rightStart) {
         this.leftDir = leftStart;
         this.rightDir = rightStart;
+
+        refresh(left, leftDir);
+        refresh(right, rightDir);
+    }
+
+    private void refresh(ListView<String> part, Path dir) {
+        part.getItems().clear();
+
+        try {
+            if (dir.getParent() != null) {
+                part.getItems().add("..");
+            }
+
+            Files.list(dir).map(p -> p.getFileName().toString()).forEach(part.getItems()::add);
+        } catch (IOException e) {}
+
+
+        //part.getItems().addAll(dir.toFile().list());
     }
 
     public void initialize() {
-        move.setOnMouseClicked(event -> {
+        move.setOnMouseClicked(event -> move());
+
+        copy.setOnMouseClicked(event -> copy());
+
+        delete.setOnMouseClicked(event -> delete());
 
-        });
         System.out.println(System.getProperty("user.home"));
-        left.getItems().add("Kek");
 
         left.setOnMouseClicked(event -> {
+            leftAct = true;
+            if (event.getClickCount() == 2) {
+                open(left);
+            }
+        });
+        right.setOnMouseClicked(event -> {
+            leftAct = false;
             if (event.getClickCount() == 2) {
-                int index = left.getSelectionModel().getSelectedIndex();
-                if (index >= 0) {
-                    left.getItems().set(index, "clicked");
-                }
+                open(right);
             }
         });
     }
+
+
+    private void move() {
+        String name = leftAct ? left.getSelectionModel().getSelectedItem() : right.getSelectionModel().getSelectedItem();
+
+        Path source = leftAct ? leftDir.resolve(name) : rightDir.resolve(name);
+        Path target = leftAct ? rightDir.resolve(name) : leftDir.resolve(name);
+
+        try {
+            Files.move(source,  target);
+            refresh(left, leftDir);
+            refresh(right, rightDir);
+        } catch (IOException e) {}
+    }
+
+    private void copy() {
+        String name = leftAct ? left.getSelectionModel().getSelectedItem() : right.getSelectionModel().getSelectedItem();
+
+        Path source = leftAct ? leftDir.resolve(name) : rightDir.resolve(name);
+        Path target = leftAct ? rightDir.resolve(name) : leftDir.resolve(name);
+
+        try {
+            Files.copy(source, target);
+            refresh(left, leftDir);
+            refresh(right, rightDir);
+        } catch (IOException e) {}
+    }
+
+    private void delete() {
+        String name = leftAct ? left.getSelectionModel().getSelectedItem() : right.getSelectionModel().getSelectedItem();
+
+        Path source = leftAct ? leftDir.resolve(name) : rightDir.resolve(name);
+
+        try {
+            Files.delete(source);
+            refresh(left, leftDir);
+            refresh(right, rightDir);
+        } catch (IOException e) {}
+    }
+
+    private void open(ListView<String> part) {
+        String name = part.getSelectionModel().getSelectedItem();
+        Path dir = leftAct ? leftDir : rightDir;
+
+        if (name == null) {
+            return;
+        }
+
+        if (name.equals("..")) {
+            dir = dir.getParent();
+        }
+        else {
+            Path fullPath = dir.resolve(name);
+            if (Files.isDirectory(fullPath)) {
+                dir = fullPath;
+            }
+            else {
+                return;
+            }
+        }
+
+        if (part == left) {
+            leftDir = dir;
+            refresh(left, leftDir);
+        }
+        else {
+            rightDir = dir;
+            refresh(right, rightDir);
+        }
+    }
 }