diff --git a/inc/DirectoryTree.hpp b/inc/DirectoryTree.hpp
index 83aa933..d5ab24a 100644
--- a/inc/DirectoryTree.hpp
+++ b/inc/DirectoryTree.hpp
@@ -83,6 +83,8 @@ public:
   }
 
   void getNodePath(Node* node, std::vector<const Key*>& path) const;
+  ui64 size() const;
+
 private:
   void updateTreeLinkCount(Node* node);
   void getMaxDepthUtil(ui32 depth, ui32& maxDepth) const;
diff --git a/inc/FileSystem.hpp b/inc/FileSystem.hpp
index 2d6f172..05b7636 100644
--- a/inc/FileSystem.hpp
+++ b/inc/FileSystem.hpp
@@ -25,8 +25,10 @@ public:
   ~FileSystem();
 
   bool makeDirectory(const Path& path);
+  bool makeFile(const Path& path);
   bool changeCurrent(const Path& path);
-  bool removeDirectory(const Path& path);
+  bool removeDirectory(const Path& path, bool recursively);
+  bool removeFileOrLink(const Path& path);
 
   void log() const;
 
diff --git a/src/DirectoryTree.cpp b/src/DirectoryTree.cpp
index 438f02c..5231bae 100644
--- a/src/DirectoryTree.cpp
+++ b/src/DirectoryTree.cpp
@@ -170,4 +170,8 @@ void Directory::getNodePath(Node* node, std::vector<const Key*>& path) const {
   if (!node || !node->mTreeNode) return;
   path.push_back(&node->mTreeNode->key.val);
   getNodePath(node->mParent, path);
+}
+
+ui64 Directory::size() const {
+  return mMembers.size();
 }
\ No newline at end of file
diff --git a/src/FileSystem.cpp b/src/FileSystem.cpp
index a7b7eda..6344ca3 100644
--- a/src/FileSystem.cpp
+++ b/src/FileSystem.cpp
@@ -24,21 +24,46 @@ bool FileSystem::makeDirectory(const Path& path) {
   auto existingNode = parentDirectory->findNode(path.getChain());
   if (existingNode) {
     if (existingNode->mType == Node::DIRECTORY) return true;
-    gError = "Cant create directory, such node exists";
+    gError = "Can not create directory, such node exists";
     return false;
   }
 
   auto newDirectory = new Directory();
   if (!parentDirectory->attachNode(path.getParentChain(), path.getFilename(), newDirectory)) {
     delete newDirectory;
-    gError = "Creation of intermediate directories is not supported";
+    gError = "Invalid path";
     return false;
   }
 
   return true;
 }
 
-bool FileSystem::removeDirectory(const Path& path) {
+bool FileSystem::makeFile(const Path& path) {
+  if (path.getDepth() < 1 || path.isInvalid()) {
+    gError = "Invalid path";
+    return false;
+  }
+
+  Directory* parentDirectory = path.isAbsolute() ? root : currentDirectory;
+
+  auto existingNode = parentDirectory->findNode(path.getChain());
+  if (existingNode) {
+    if (existingNode->mType == Node::FILE) return true;
+    gError = "Can not create file, such node exists";
+    return false;
+  }
+
+  auto newFile = new File();
+  if (!parentDirectory->attachNode(path.getParentChain(), path.getFilename(), newFile)) {
+    delete newFile;
+    gError = "Invalid path";
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystem::removeDirectory(const Path& path, bool recursively) {
   if (path.getDepth() < 1 || path.isInvalid()) {
     gError = "Invalid path";
     return false;
@@ -52,6 +77,16 @@ bool FileSystem::removeDirectory(const Path& path) {
     return false;
   }
 
+  if (existingNode->mType != Node::DIRECTORY) {
+    gError = "Path is not a directory";
+    return false;
+  }
+
+  if (!recursively && existingNode->mType == Node::DIRECTORY && ((Directory*)existingNode)->size()) {
+    gError = "Directory is not empty";
+    return false;
+  }
+
   if (isPathContainsCurrent(existingNode)) {
     gError = "Can not remove directory you are currently working in";
     return false;
@@ -63,6 +98,31 @@ bool FileSystem::removeDirectory(const Path& path) {
   return true;
 }
 
+bool FileSystem::removeFileOrLink(const Path &path) {
+  if (path.getDepth() < 1 || path.isInvalid()) {
+    gError = "Invalid path";
+    return false;
+  }
+
+  Directory* parentDirectory = path.isAbsolute() ? root : currentDirectory;
+
+  auto existingNode = parentDirectory->findNode(path.getChain());
+  if (!existingNode) {
+    gError = "Cant remove, such node doesnt exists";
+    return false;
+  }
+
+  if (existingNode->mType == Node::DIRECTORY) {
+    gError = "Path is a directory";
+    return false;
+  }
+
+  assert(parentDirectory->detachNode(path.getParentChain(), path.getFilename()));
+
+  delete existingNode;
+  return true;
+}
+
 bool FileSystem::changeCurrent(const Path& path) {
   if (path.isInvalid()) {
     gError = "Invalid path";
diff --git a/src/Interpreter.cpp b/src/Interpreter.cpp
index 8bc2b05..2f4599c 100644
--- a/src/Interpreter.cpp
+++ b/src/Interpreter.cpp
@@ -30,7 +30,31 @@ Interpreter::Interpreter() {
       "remove directory",
       1,
       [](FileSystem& filesystem, const std::vector<std::string>& args){
-        return filesystem.removeDirectory(args[1]);
+        return filesystem.removeDirectory(args[1], false);
+      }
+  };
+
+  mCommands["deltree"] = {
+      "remove directory recursively",
+      1,
+      [](FileSystem& filesystem, const std::vector<std::string>& args){
+        return filesystem.removeDirectory(args[1], true);
+      }
+  };
+
+  mCommands["mf"] = {
+      "make file",
+      1,
+      [](FileSystem& filesystem, const std::vector<std::string>& args){
+        return filesystem.makeFile(args[1]);
+      }
+  };
+
+  mCommands["del"] = {
+      "remove file or link",
+      1,
+      [](FileSystem& filesystem, const std::vector<std::string>& args){
+        return filesystem.removeFileOrLink(args[1]);
       }
   };
 }
diff --git a/src/Path.cpp b/src/Path.cpp
index 0edaec2..ae402fd 100644
--- a/src/Path.cpp
+++ b/src/Path.cpp
@@ -8,7 +8,7 @@ void initializeTransitions() {
   std::fill(transitions.begin(), transitions.end(), 1);
   for (char i = 'a'; i <= 'z'; i++) transitions[i] = i;
   for (char i = '0'; i <= '9'; i++) transitions[i] = i;
-  for (char i = 'A'; i <= 'Z'; i++) transitions[i] = i + ('a' - 'A');
+  for (char i = 'A'; i <= 'Z'; i++) transitions[i] = i /* + ('a' - 'A')*/;
   transitions['/'] = '/';
   transitions['.'] = '.';
 }