What is Alt + Tab keyboard shortcut for?

Windows 11 - Switch between open apps  

Raspbian - Switch between programs  

Linux Mint - Cycle through open windows  

Red Hat Enterprise Linux - Switch tasks in a graphical desktop environment  

Continuum for Phones - Switch between open apps  

Windows 3.1 - Task switch. Hold Tab while repeatedly pressing Alt cycles through open windows  

Ubuntu - Switch between open windows  

elementary OS - Window switcher  

Deepin Linux - Switch windows  

Windows XP - Switch between open programs in taskbar  

Huawei MatePad Pro - Open recent apps  

Samsung DeX - Running apps  

Shield TV - Access Recent Apps  

Microsoft Surface Hub - Switch between open apps  

Microsoft Ergonomic Keyboard - Switch between open programs  

Android - Switch between tasks  

Openbox - Cycle between windows on the desktop  

Microsoft Visio (2024) - Switch to the next window.  

Era-Ignite - Move through open windows  

Dynamics NAV (Windows client) - Toggle between open windows  

Diagrams.net - Select parent  

Samsung DeX (2023) - Running apps  

Studio Pro 10 - Navigate between open editors (opens pane navigation dialog where editors are called active files)  

Flexcil (Mac) - Switch between gesture/pen mode  

Xfce - Switch to next window  

LXDE - Next window  

KDE Plasma Desktop - Walk through windows  

Remote Desktop Services - Remote Desktop shortcut: Alt + Page Up. Switch between programs from left to right  

Linux MetaCity - Forward cycle window focus  

Microsoft FrontPage - Switch to the next window.  

Chromebook and Chrome OS - Switch quickly between windows