Screenshot

wikipedia:Screenshot

macOS

• Full screen: Shift + Command + 3
• Portion of the screen: Shift + Command + 4
• Since Mojave (2018): Shift + Command + 5

Related

• Time tracking
• Screen recording: Gyazo
• Windows Snipping
• macOS show floating
• Otter

See also

• Screenshot, Snipping, Gyazo, Dropbox Capture, ScreenApp
• Ctrl, Command key, Shift key, Ctrl key, Ctrl + C, Ctrl + V, Ctrl-x e, CTRL+R
• Record