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diff --git a/lisp/ui/init-windows.el b/lisp/ui/init-windows.el
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+;;; init-windows.el --- Window management -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2026 Richard Qin
+;; SPDX-License-Identifier: GPL-3.0-or-later
+
+;; Author: Richard Qin
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Configure Emacs window and tab management.
+;; Enable tab-bar-mode and winner-mode.
+
+;;; Code:
+
+;; ------------------------------------------------------------
+;; Tab Bar
+;; ------------------------------------------------------------
+
+(require 'tab-bar)
+
+;; Show the tab bar when multiple tabs exist.
+(setq tab-bar-show 1)
+
+;; Hide additional tab control buttons.
+(setq tab-bar-new-button-show nil)
+(setq tab-bar-close-button-show nil)
+
+;; Enable tab management.
+(tab-bar-mode 1)
+
+
+;; ------------------------------------------------------------
+;; Winner Mode
+;; ------------------------------------------------------------
+
+(require 'winner)
+
+;; Enable window layout history.
+(winner-mode 1)
+
+
+;; ------------------------------------------------------------
+;; Keybindings
+;; ------------------------------------------------------------
+
+;; Create a new tab.
+(define-key my/command-map
+            (kbd "t")
+            #'tab-new)
+
+;; Switch tabs.
+(define-key my/command-map
+            (kbd "n")
+            #'tab-next)
+
+(define-key my/command-map
+            (kbd "p")
+            #'tab-previous)
+
+;; Restore window layouts.
+(define-key my/command-map
+            (kbd "u")
+            #'winner-undo)
+
+(define-key my/command-map
+            (kbd "U")
+            #'winner-redo)
+
+
+(provide 'init-windows)
+
+;;; init-windows.el ends here