OS X keyboard shortcuts

Here are the modifier key symbols you may see in OS X menus:

Command key icon (Command key) – On some Apple keyboards, this key also has an Apple (apple logo) logo
Control key icon (Control key)
Option or Alt key icon (Option key) – “Alt” may also appear on this key
Shift icon (Shift key)
Caps lock icon (Caps Lock) – Toggles Caps Lock on or off
Fn (Function key)

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Typing without a keyboard

One day, we all can free our fringers from typing on QWERTY keyboard as we can use our Brain to type in the future. The video shown below is a “serious research” that shows two guys type WITHOUT keyboard. There isn’t any much word and information about the research, however, from the video, we can see that this technology will be available pretty soon.