What is Alt + ↑   Shift + Tab keyboard shortcut for?

Popular programs using this shortcut

What this shortcut does in different programs?

1. KDE Plasma Desktop - Walk through windows (Reverse)  
2. Android - Switch between tasks  
3. Openbox - Cycle between windows on the desktop in reverse order  
4. LXDE - Previous window  
5. Remote Desktop Services - Remote Desktop shortcut: Alt + Page Down. Switch between programs from right to left  

All programs

All programs using this shortcut, by category.

Text editing (1)

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System tools (3)

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Developer tools (1)

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Web applications (1)

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Productivity (2)

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