China DOS Union

Operating system keyboard shortcuts
You can do it without the keyboard too
Actually, you don't need to memorize them all, it's enough to know the commonly used ones.

General use of shortcut keys
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F1 If in a program, you can get the program's help; if in a dialog box, you can get an explanation of the current item.
F2 Change the name of a file or folder (rename).
F3 Pop up the Find dialog box.
F4 Open the address bar or current combo box.
F5 Refresh the current folder or disk.
F10 Select the menu.
* key In Explorer, expand the current directory and all its subdirectories.
+ key Expand the current directory.
WIN key+E Quickly open Explorer
WIN key+R Run
WIN key+M Minimize all windows
WIN key+Shift+M Undo minimize all windows
WIN key+F Search
WIN key+Ctrl+F Show "Find Computer"
WIN key+Tab Switch programs on the taskbar
WIN key+Break Show system properties
Alt+Enter Switch a DOS window between maximized and minimized
Switch full-width/half-width mode Shift+Space key combination
Toggle high contrast on/off Shift+Print Screen


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Use of the Ctrl key
Ctrl＋C Copy
Ctrl＋X Cut
Ctrl＋V Paste
Ctrl＋Z Undo
Ctrl＋A Select all
Ctrl＋left click Single select
Ctrl＋N New
Ctrl＋O Open
Ctrl＋S Save
Ctrl＋P Print
ctrl+shift Switch input methods
Ctrl＋Tab(or Ctrl＋Page Down) View next page
Ctrl＋Shift＋Tab(or Ctrl＋Page Up) View previous page
Ctrl＋Space Turn input method on/off
Ctrl＋left mouse drag Copy object
Ctrl＋Esc (equivalent to pressing the Win key) Open the Start menu
Ctrl+Home Quickly go to the beginning of a file or the top of the current window
Ctrl+End Quickly go to the end of a file or the bottom of the current window.
Slow down Mouse Keys When using the numeric keypad to simulate mouse operations, you can use the number keys (except 5) to move the mouse in various directions. Holding down Ctrl speeds it up, while holding down Shift slows it down. Drag a file icon to the target position; before releasing the left mouse button, press Ctrl+Shift, and after releasing the left mouse button, a small menu will pop up. You can choose whether this drag operation will copy the file, move the file, or create a shortcut to the file.


Use of the Alt key
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Switch a DOS program between windowed and full-screen mode Alt＋Enter
Open the window control menu Alt＋－
Open the system control menu Alt＋Space
Switch programs Alt＋Tab or Shift＋Alt＋Tab
Move a window to a new position First press Alt＋Space to open the system menu, then press M, hold the arrow keys to move the frame outline to the desired position, then press Enter
Maximize a window Press Alt＋Space＋X
Pop up a drop-down list In a dialog box, you can use Alt+Down Arrow to pop up the selected drop-down list
Fastest way to close any application Alt+F4

Use of other shortcut keys
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Select files (folders) In the right pane of Explorer (or in the Open dialog box), click one file (folder), then hold down Shift and click another file (folder), and all files between them will be selected. Or use Shift＋arrow keys (or Home, End).
Show all shortcut menu options Hold down Shift and then right-click a file icon to add more options to the shortcut menu.
Permanently delete files (folders) Select the file (folder) to be deleted, press Shift＋Del, then Enter; or right-click the selected file (folder), hold down Shift, then click "Delete". This deletes the file directly instead of putting it into the "Recycle Bin".
Display pages in reverse order in a dialog box Press Ctrl＋Shift＋Tab
Close (save) all documents at once If multiple documents are open in a program (such as Word97), hold down Shift and then click the File menu, and an extra Close All and Save All option will appear
Move focus in reverse order in a dialog box Press Shift＋Tab
Skip programs in the Startup group When Windows98 starts, hold down Shift until startup is complete to cancel the auto-start program function. This can skip hardware detection and achieve a faster startup.
Disable CD autoplay After inserting the CD, hold down Shift for about 10 seconds.
Quick restart When shutting down Windows, select "Restart the computer", then hold down Shift and click the "Yes" button, and the computer will restart Windows98 without performing a warm boot. For example, when system settings (such as the number of colors) have been changed and a restart is needed.
Force move When dragging and dropping a file (folder), hold down Shift and then release the file (folder), and you can force the original file (folder) to be moved into the target folder.
Quickly paste an object Whether in an edit box or in a standard Windows application, press Shift+Insert at the same time to paste from the clipboard


Supplement: win+ l If you are connected to a network domain, it locks your computer; if you are not connected to a network domain, it switches users.
win+ u Open "Utility Manager".
"Windows Explorer" keyboard shortcuts
end Display the bottom of the current window.
home Display the top of the current window.
num lock + numeric keypad asterisk (*) Display all subfolders under the selected folder.
num lock + numeric keypad plus (+) Display the contents of the selected folder.

num lock + numeric keypad minus (-) Collapse the selected folder.
Left Arrow Collapse the selected item if it is expanded, or select its parent folder.
Right Arrow Expand the selected item if it is collapsed, or select the first