diff --git a/src/commands/save.ts b/src/commands/save.ts
new file mode 100644
index 0000000..3a38a9f
--- /dev/null
+++ b/src/commands/save.ts
@@ -0,0 +1,150 @@
+import inquirer from 'inquirer';
+import { fileUtils } from '../utils/fileUtils';
+import { tmuxParser, screenParser, iterm2Parser } from '../parsers';
+import { Layout, TerminalType } from '../models/types';
+
+interface SaveOptions {
+  name?: string;
+  terminal?: TerminalType;
+  session?: string;
+  format?: 'json' | 'yaml';
+  description?: string;
+  tags?: string[];
+}
+
+export async function saveLayout(options: SaveOptions): Promise<void> {
+  await fileUtils.initialize();
+
+  let terminalType = options.terminal;
+  if (!terminalType) {
+    const availableTerminals = await detectAvailableTerminals();
+    if (availableTerminals.length === 0) {
+      console.log('No supported terminal multiplexers found. Creating a manual layout.');
+      terminalType = 'unknown';
+    } else {
+      const { selectedTerminal } = await inquirer.prompt([
+        {
+          type: 'list',
+          name: 'selectedTerminal',
+          message: 'Which terminal type would you like to save?',
+          choices: availableTerminals.map((t) => ({ name: t, value: t })),
+        },
+      ]);
+      terminalType = selectedTerminal;
+    }
+  }
+
+  let layout: Layout;
+
+  switch (terminalType) {
+    case 'tmux': {
+      const sessionName = options.session || (await getDefaultSessionName('tmux'));
+      const result = await tmuxParser.captureSession(sessionName);
+      if (!result.success) {
+        throw new Error(`Failed to capture tmux session: ${result.error}`);
+      }
+      layout = result.data!;
+      break;
+    }
+    case 'screen': {
+      const sessionName = options.session || (await getDefaultSessionName('screen'));
+      const result = await screenParser.captureSession(sessionName);
+      if (!result.success) {
+        throw new Error(`Failed to capture screen session: ${result.error}`);
+      }
+      layout = result.data!;
+      break;
+    }
+    case 'iterm2': {
+      const result = await iterm2Parser.captureCurrentLayout();
+      if (!result.success) {
+        throw new Error(`Failed to capture iTerm2 layout: ${result.error}`);
+      }
+      layout = result.data!;
+      break;
+    }
+    default:
+      layout = createEmptyLayout('unknown');
+  }
+
+  let layoutName = options.name;
+  if (!layoutName) {
+    const { name } = await inquirer.prompt([
+      {
+        type: 'input',
+        name: 'name',
+        message: 'Enter a name for this layout:',
+        validate: (input: string) => input.trim() !== '' || 'Name cannot be empty',
+      },
+    ]);
+    layoutName = name;
+  }
+
+  layout.metadata = layout.metadata || {};
+  if (options.description) {
+    layout.metadata.description = options.description;
+  } else {
+    const { description } = await inquirer.prompt([
+      {
+        type: 'input',
+        name: 'description',
+        message: 'Enter a description (optional):',
+        default: '',
+      },
+    ]);
+    if (description) {
+      layout.metadata.description = description;
+    }
+  }
+
+  const finalName = layoutName || 'untitled-layout';
+  const format = options.format || 'json';
+  const filePath = await fileUtils.saveLayout(finalName, layout, format);
+  console.log(`Layout saved to: ${filePath}`);
+}
+
+async function detectAvailableTerminals(): Promise<TerminalType[]> {
+  const terminals: TerminalType[] = [];
+
+  const [tmuxAvailable, screenAvailable, iterm2Available] = await Promise.all([
+    tmuxParser.isAvailable(),
+    screenParser.isAvailable(),
+    iterm2Parser.isAvailable(),
+  ]);
+
+  if (tmuxAvailable) terminals.push('tmux');
+  if (screenAvailable) terminals.push('screen');
+  if (iterm2Available) terminals.push('iterm2');
+
+  return terminals;
+}
+
+async function getDefaultSessionName(terminal: string): Promise<string | undefined> {
+  if (terminal === 'tmux') {
+    const sessions = await tmuxParser.listSessions();
+    if (sessions.length === 0) {
+      console.log('No tmux sessions found. Please specify a session name.');
+      return undefined;
+    }
+    return sessions[0];
+  }
+  return undefined;
+}
+
+function createEmptyLayout(terminalType: TerminalType): Layout {
+  return {
+    version: '1.0.0',
+    terminalType,
+    createdAt: new Date().toISOString(),
+    updatedAt: new Date().toISOString(),
+    session: {
+      id: 's-manual',
+      name: 'manual',
+      windows: [],
+      activeWindowIndex: 0,
+    },
+    metadata: {
+      description: 'Manually created layout',
+    },
+  };
+}