Screenshot taking

macOS screenshot hotkeys

Copy screenshot of selected area to clipboard

Ctrl + ↑   Shift + ⌘ Cmd + 4 then Mouse movement

All hotkeys for Screenshot taking

Taking screenshot in Windows
Copy screenshot of entire screen to clipboard, save it to Pictures\Screenshots folder

Win + Print Screen

KDE / GNOME screenshot keys
(then set the name and click "Save") Save screenshot of entire screen as file

Print Screen

KDE / GNOME screenshot keys
(then click "Copy to Clipboard") Copy screenshot of window to clipboard

Alt + Print Screen

Taking screenshot in Windows
Copy screenshot of selected area to clipboard (Windows 10)

Win + ↑   Shift + S

macOS screenshot hotkeys
Save screenshot of entire screen as file

↑   Shift + ⌘ Cmd + 3

macOS screenshot hotkeys
Copy screenshot of entire screen to clipboard

Ctrl + ↑   Shift + ⌘ Cmd + 3

macOS screenshot hotkeys
Save screenshot of window as file

↑   Shift + ⌘ Cmd + 4 then Space then Mouse movement then Mouse left click

macOS screenshot hotkeys
Save screenshot of selected area as file

↑   Shift + ⌘ Cmd + 4 then Mouse movement

macOS screenshot hotkeys
Copy screenshot of window to clipboard

Ctrl + ↑   Shift + ⌘ Cmd + 4 then Space then Mouse movement then Mouse left click

macOS screenshot hotkeys
Copy screenshot of selected area to clipboard

Ctrl + ↑   Shift + ⌘ Cmd + 4 then Mouse movement

KDE / GNOME screenshot keys
Copy screenshot of entire screen to clipboard

Ctrl + Print Screen

KDE / GNOME screenshot keys
Copy screenshot of active window to clipboard

Ctrl + Alt + Print Screen

KDE / GNOME screenshot keys
(then click "Copy to Clipboard") Copy screenshot of selected area to clipboard

↑   Shift + Print Screen

KDE / GNOME screenshot keys
Screencasting

Ctrl + ↑   Shift + Alt + R

Similar combinations for other applications