diff --git a/src/utils/fileUtils.ts b/src/utils/fileUtils.ts
new file mode 100644
index 0000000..960260a
--- /dev/null
+++ b/src/utils/fileUtils.ts
@@ -0,0 +1,164 @@
+import * as fs from 'fs-extra';
+import * as path from 'path';
+import * as os from 'os';
+import * as yaml from 'js-yaml';
+import { UserConfig } from '../models/types';
+
+const CONFIG_FILE_NAME = 'config.json';
+const LAYOUTS_DIR = 'layouts';
+const TEMPLATES_DIR = 'templates';
+
+export class FileUtils {
+  private baseDir: string;
+
+  constructor(baseDir?: string) {
+    this.baseDir = baseDir || this.getDefaultBaseDir();
+  }
+
+  private getDefaultBaseDir(): string {
+    const homeDir = os.homedir();
+    return path.join(homeDir, '.config', 'terminal-layouts');
+  }
+
+  async initialize(): Promise<void> {
+    await fs.ensureDir(this.baseDir);
+    await fs.ensureDir(path.join(this.baseDir, LAYOUTS_DIR));
+    await fs.ensureDir(path.join(this.baseDir, TEMPLATES_DIR));
+
+    const configPath = path.join(this.baseDir, CONFIG_FILE_NAME);
+    if (!(await fs.pathExists(configPath))) {
+      const defaultConfig: UserConfig = {
+        layoutDir: path.join(this.baseDir, LAYOUTS_DIR),
+        defaultFormat: 'json',
+        gitSyncEnabled: true,
+        templatesDir: path.join(this.baseDir, TEMPLATES_DIR),
+      };
+      await fs.writeJson(configPath, defaultConfig, { spaces: 2 });
+    }
+  }
+
+  getConfigPath(): string {
+    return path.join(this.baseDir, CONFIG_FILE_NAME);
+  }
+
+  getLayoutsDir(): string {
+    return path.join(this.baseDir, LAYOUTS_DIR);
+  }
+
+  getTemplatesDir(): string {
+    return path.join(this.baseDir, TEMPLATES_DIR);
+  }
+
+  async readConfig(): Promise<UserConfig> {
+    const configPath = this.getConfigPath();
+    if (await fs.pathExists(configPath)) {
+      return fs.readJson(configPath) as Promise<UserConfig>;
+    }
+    throw new Error(`Configuration file not found: ${configPath}`);
+  }
+
+  async saveConfig(config: UserConfig): Promise<void> {
+    const configPath = this.getConfigPath();
+    await fs.writeJson(configPath, config, { spaces: 2 });
+  }
+
+  async readLayout(fileName: string): Promise<unknown> {
+    const filePath = path.join(this.getLayoutsDir(), fileName);
+    const content = await fs.readFile(filePath, 'utf-8');
+
+    if (fileName.endsWith('.yaml') || fileName.endsWith('.yml')) {
+      return yaml.load(content);
+    }
+    return fs.readJson(filePath);
+  }
+
+  async saveLayout(fileName: string, data: unknown, format: 'json' | 'yaml' = 'json'): Promise<string> {
+    const layoutsDir = this.getLayoutsDir();
+    let filePath: string;
+
+    if (format === 'yaml') {
+      const yamlName = fileName.replace(/\.json$/, '.yaml');
+      filePath = path.join(layoutsDir, yamlName);
+      const content = yaml.dump(data);
+      await fs.writeFile(filePath, content);
+    } else {
+      if (!fileName.endsWith('.json')) {
+        filePath = path.join(layoutsDir, `${fileName}.json`);
+      } else {
+        filePath = path.join(layoutsDir, fileName);
+      }
+      await fs.writeJson(filePath, data, { spaces: 2 });
+    }
+
+    return filePath;
+  }
+
+  async deleteLayout(fileName: string): Promise<void> {
+    const filePath = path.join(this.getLayoutsDir(), fileName);
+    if (await fs.pathExists(filePath)) {
+      await fs.remove(filePath);
+    }
+  }
+
+  async listLayouts(): Promise<string[]> {
+    const layoutsDir = this.getLayoutsDir();
+    if (!(await fs.pathExists(layoutsDir))) {
+      return [];
+    }
+
+    const files = await fs.readdir(layoutsDir);
+    return files.filter((file) => file.endsWith('.json') || file.endsWith('.yaml') || file.endsWith('.yml'));
+  }
+
+  async readTemplate(fileName: string): Promise<unknown> {
+    const filePath = path.join(this.getTemplatesDir(), fileName);
+    const content = await fs.readFile(filePath, 'utf-8');
+
+    if (fileName.endsWith('.yaml') || fileName.endsWith('.yml')) {
+      return yaml.load(content);
+    }
+    return fs.readJson(filePath);
+  }
+
+  async saveTemplate(fileName: string, data: unknown): Promise<string> {
+    const templatesDir = this.getTemplatesDir();
+    const filePath = path.join(templatesDir, fileName.endsWith('.json') ? fileName : `${fileName}.json`);
+    await fs.writeJson(filePath, data, { spaces: 2 });
+    return filePath;
+  }
+
+  async listTemplates(): Promise<string[]> {
+    const templatesDir = this.getTemplatesDir();
+    if (!(await fs.pathExists(templatesDir))) {
+      return [];
+    }
+
+    const files = await fs.readdir(templatesDir);
+    return files.filter((file) => file.endsWith('.json') || file.endsWith('.yaml') || file.endsWith('.yml'));
+  }
+
+  async deleteTemplate(fileName: string): Promise<void> {
+    const filePath = path.join(this.getTemplatesDir(), fileName);
+    if (await fs.pathExists(filePath)) {
+      await fs.remove(filePath);
+    }
+  }
+
+  async fileExists(filePath: string): Promise<boolean> {
+    return fs.pathExists(filePath);
+  }
+
+  async readFile(filePath: string): Promise<string> {
+    return fs.readFile(filePath, 'utf-8');
+  }
+
+  async writeFile(filePath: string, content: string): Promise<void> {
+    await fs.writeFile(filePath, content);
+  }
+
+  async ensureDir(dirPath: string): Promise<void> {
+    await fs.ensureDir(dirPath);
+  }
+}
+
+export const fileUtils = new FileUtils();