Alt is a key on the Windows operating system; Alt is the abbreviation of the word "Alter", which means "change" in Chinese. It is called the alternating shift key in the computer field; the function of the Alt key is powerful. Flexible and reasonable use of the Alt key, Ctrl key and shift key plays a key role in improving work efficiency.
The operating environment of this tutorial: Windows 10 system, Dell G3 computer.
What is the key for alt?
The Alt key is a key on the Windows operating system. Alt is the abbreviation of the word "Alter", which means "change" in Chinese. It is called the alternating shift key in the computer field. The Alt key is powerful. Flexible and reasonable use of the Alt key, Ctrl key and shift key plays a key role in improving work efficiency.
Main functions (under Windows)
Activate operation command
ALT F4 (Close all web pages)
Press the Alt key You can activate the menu bar of the active window so that the first menu in the menu bar becomes a highlight bar. Pressing the Alt key and a letter can activate the menu item represented by the letter. For example, pressing Alt F can activate the current window. "File" menu. In addition, in a dialog box, pressing the Alt key and an underlined letter simultaneously will select the option and perform the corresponding operation.
Close the window or computer
Press the Alt F4 key combination to pop up the option box to close multiple windows. When there is no window open, press the Alt F4 key combination to pop up the shutdown option box.
Pop up the drop-down list
ALT F4 (turn off the computer)
In the dialog box, you can use the Alt down arrow key to pop up the selected drop-down list to avoid having to move it The pain of finding and clicking the arrow button under the list box with the mouse.
Quickly view properties
Press the Alt Enter key combination or double-click an object with the left mouse button while holding down the Alt key (such as the folder, file, desktop in the right window of the explorer icons, etc. (but not the folder in the left window), you can quickly open its "Properties" dialog box. Its function is equivalent to clicking the right mouse button and selecting "Properties".
Switch DOS window mode
Press the Alt Enter key combination to switch MS-DOS between window and full-screen modes.
Universal Capture Hotkey
When running a game or other application software, when a beautiful picture appears on the screen, press the Alt PrintScreen key combination on the keyboard to capture the currently active window. Or copy the contents of the dialog box to the clipboard, then call "Brush" or other drawing programs, select the "Paste" item in the "Edit" menu, and you can call up a beautiful picture. Of course, if we just press the PrintScreen key, it will be a full-screen capture.
Close Application
Pressing the Alt F4 key is the fastest way to close any application without having to look for and click "Exit" or "Close" in the File menu or toolbar .
Switching Applications
Hold down the Alt key and then press the Tab key continuously to display the icons of all currently running programs and the currently activated program in a dialog box icon and its name, you can immediately switch to the application as long as you release the Alt key, which is called "cold switching".
Open the control menu
In the application, press the Alt space bar to directly open the system control menu.
Undo the previous operation
In each dialog box of Windows 98, all operations on the edit box can be undone through the Alt Backspace key, and its effect is exactly the same as Ctrl Z. This function is also applicable to various Microsoft word processing software, such as Notepad, Writer, Word, etc. In addition, you can also use this key combination to undo file operations such as file movement or renaming.
Toggle accessibility options
Alt Left Shift Printscreen key
For certain users who need to use the accessibility shortcut keys, the Alt key You can also lend a hand. For example, press the left Alt + Left Shift Printscreen key to switch the high contrast switch; press the left Alt + Left Shift Num Lock key to switch the mouse key switch.
Get accurate data in Word
When selecting text, if you press the Alt key first and then drag the mouse, it is the column selection method (otherwise it is the row selection method); when dragging the ruler Or table line, the accurate data cannot be seen, but if you press the Alt key first and then drag or click, you can get accurate data.
Use the numeric keys in the auxiliary area (small keyboard) to input any character
While holding down the Alt key, type the ASCII code corresponding to a certain character in the small keyboard area to enter the character. character.
Alt Ctrl Delete
Alt 30334 = Hundred
Alt 24230 = Degree
Note: It must be the small one on the right Numbers on the keyboard.
Open the Windows Task Manager or Security Menu
Under 98, 2000, and xp, press Alt Ctrl Delete (Del) to call out the Windows Task Manager.
In Vista and higher versions of Windows systems, pressing the same key combination opens the "Security Menu", where you can choose to open the Task Manager, change your password, log out, etc.
In server operating systems (such as Windows Server 2000, 2003) or Windows systems with NetWare client enabled, the "Security Dialog Box" with the same function as the security menu will open.
For more related knowledge, please visit the FAQ column!
The above is the detailed content of What key is alt?. For more information, please follow other related articles on the PHP Chinese website!