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Another is Mathematica, where the Return key creates a new line, while the Enter key (or Shift-Return) submits the current command for execution. Historically, many computer models did not have a separate keypad, and only had one button to function as Enter or Return. For example, the Commodore 64 (manufactured from 1982) had only the "Return ...
Ctrl+↵ Enter: ⇧ Shift+↵ Enter [notes 5] or Ctrl+↵ Enter or ⌥ Opt+↵ Enter [notes 5] (may be able to skip some editor-defined input processing) Ctrl+↵ Enter: Insert Unicode: Alt+X + character codepoint ⌥ Opt + character codepoint ("Unicode Hex Input" must be added and active as current input source) Ctrl+⇧ Shift+U + character ...
However, numeric entry of Unicode characters is possible in most Unix or Unix-like OSs by pressing and releasing Ctrl+⇧ Shift+U, and typing the hex number followed by the space bar or enter key. For example, For the registered trademark symbol ®, type Ctrl+⇧ Shift+U, AE, ↵ Enter. For the no entry sign ⛔, type Ctrl+⇧ Shift+U, 26D4 ...
An "enter" key may terminate a paragraph of text and advance an editing cursor to the start of the next available line, similar to the "carriage return" key of a typewriter. When the attached system is processing a user command line, pressing "enter" may signal that the command has been completely entered and that the system may now process it.
Alt+↵ Enter allows for a new line when Enter performs another command. (This is also done by ⇧ Shift+↵ Enter in other programs.) For example, in a word processor, this creates a line break rather than a paragraph break. Holding Alt while dragging the mouse over a hyperlink selects it as if it were solid text.
Authenticator apps provide secure verification codes that act as the second step in 2-step verification. After entering your password, you'll need to enter the code generated by your authenticator app to sign in. How do I get an authenticator app? Download an authenticator app from the Google Play Store or App Store.
Using this you can easily distinguish Return from Enter and even the left and right shift keys are unique. The second API returns the translated key codes. These depend on the keyboard layout chosen in the control panel, and the Return and Enter keys appear identical on this level. This is what you use in normal cases (text editing etc.)
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