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At the Applesoft BASIC prompt, using the right and left arrow keys to move the cursor would add/remove characters the cursor passed over to/from the input buffer. Pressing the Esc key entered a mode where pressing the I, J, K or M keys would move the cursor without altering the input buffer. After exiting this mode by pressing Escape again ...
For example, in most keyboard layouts the Shift key combination ⇧ Shift+A will produce a capital letter "A" instead of the default lower-case letter "a" (unless in Caps Lock or Shift lock mode). A combination of Alt+F4 in Microsoft Windows will trigger the shortcut for closing the active window; in this instance, Alt is the modifier key.
The Shift key can also be used to modify the mouse behavior on a computer. For example, holding Shift while clicking on a link in a web browser might cause the page to open in a new window, or to be downloaded. [citation needed] In some web browsers, holding Shift while scrolling will scan through previously viewed web pages. [citation needed]
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The shift in and shift out characters (SI and SO) selected alternate character sets, fonts, underlining, or other printing modes. Escape sequences were often used to do the same thing. With the advent of computer terminals that did not physically print on paper and so offered more flexibility regarding screen placement, erasure, and so forth ...
In its original design, Scroll Lock was intended to modify the behavior of the arrow keys. When the Scroll Lock mode is on, the arrow keys scroll the contents of a text window instead of moving the cursor. [1] [2] In this usage, Scroll Lock is a toggling lock key like Num Lock or Caps Lock, which have a state that persists after the key is ...
The cursor for the Windows Command Prompt (appearing as an underscore at the end of the line). In most command-line interfaces or text editors, the text cursor, also known as a caret, [4] is an underscore, a solid rectangle, or a vertical line, which may be flashing or steady, indicating where text will be placed when entered (the insertion point).
It is a lock key, like Caps Lock and Scroll Lock. Its state affects the function of the numeric keypad commonly located to the right of the main keyboard and is commonly displayed by an LED built into the keyboard. The Num Lock key exists because earlier 84-key IBM PC keyboards did not have cursor control or arrows separate from the numeric ...