Closing or changing tabs through keyboard
https://www.computersprofessor.com/2017/07/closing-or-changing-tabs-through.html
Closing or changing tabs through keyboard:
Closing a tab
In most programs, pressing the Ctrl and F4 keys at the same time closes a tab.
Switching tabs
To move left to right between tabs in the currently selected
window, press the Ctrl and Tab keys at the same time.
To move right to left between tabs in the currently selected
window, press the Ctrl, Shift, and Tab keys at the same time.