diff --git a/src/main.js b/src/main.js
index c93c116..80483fa 100644
--- a/src/main.js
+++ b/src/main.js
@@ -49,6 +49,10 @@ function handleExit() {
     process.exit(0);
 }
 
+function getWorkingDir(commandArgs) {
+
+}
+
 export async function main() {
     const commandArgs = parseCommandLineArgs();
     if (commandArgs) {
@@ -69,7 +73,6 @@ export async function main() {
     try {
         while (true) {
             console.log('\n' + chalk.cyanBright(ASCII_ART));
-
             const { choice } = await inquirer.prompt([
                 {
                     type: 'list',
diff --git a/src/services/config.js b/src/services/config.js
new file mode 100644
index 0000000..13a6944
--- /dev/null
+++ b/src/services/config.js
@@ -0,0 +1,43 @@
+import fs from 'fs';
+import path from 'path';
+import { getAppDataDir } from '../utils/appdata.js';
+
+const defaultConfig = {
+  dataDir: "",
+  storageQuota: 0,
+  ports: {
+    discPort: 8090,
+    listenPort: 8070,
+    apiPort: 8080
+  }
+};
+
+function getConfigFilename() {
+  return path.join(getAppDataDir(), "config.json");
+}
+
+export function saveConfig(config) {
+  const filePath = getConfigFilename();
+  console.log("writing to: " + filePath );
+  try {
+    fs.writeFileSync(filePath, JSON.stringify(config));
+  } catch (error) {
+    console.error(`Failed to save config file to '${filePath}' error: '${error}'.`);
+    throw error;
+  }
+}
+
+export function loadConfig() {
+  const filePath = getConfigFilename();
+  console.log("loading from: " + filePath );
+  try {
+    if (!fs.existsSync(filePath)) {
+      saveConfig(defaultConfig);
+      return defaultConfig;
+    }
+    return JSON.parse(fs.readFileSync(filePath));
+  } catch (error) {
+    console.error(`Failed to load config file from '${filePath}' error: '${error}'.`);
+    throw error;
+  }
+}
diff --git a/src/utils/appdata.js b/src/utils/appdata.js
new file mode 100644
index 0000000..14dbcb5
--- /dev/null
+++ b/src/utils/appdata.js
@@ -0,0 +1,33 @@
+import path from 'path';
+import fs from 'fs';
+
+export function getAppDataDir() {
+  const dir = appData("codex-cli");
+  if (!fs.existsSync(dir)) {
+    fs.mkdirSync(dir);
+  }
+  return dir;
+}
+
+function appData(...app) {
+  let appData;
+  if (process.platform === 'win32') {
+    appData = path.join(process.env.APPDATA, ...app);
+  } else if (process.platform === 'darwin') {
+    appData = path.join(process.env.HOME, 'Library', 'Application Support', ...app);
+  } else {
+    appData = path.join(process.env.HOME, ...prependDot(...app));
+  }
+  return appData;
+}
+
+function prependDot(...app) {
+  return app.map((item, i) => {
+    if (i === 0) {
+      return `.${item}`;
+    } else {
+      return item;
+    }
+  });
+}
+