Important shortcuts of Windows and Mac with description

# Shortcuts keys for Windows OS users
Shortcut keys as an alternative to do our work in a computer in a short time with easiest way. You can open, close, and navigate the Start menu, desktop, menus, dialog boxes, and Web pages using keyboard shortcuts. Keyboard shortcuts may also make it easier for you to interact with your computer.

General keyboard shortcuts
PressTo
CTRL+C
Copy.
CTRL+X
Cut.
CTRL+V
Paste.
CTRL+Z
Undo.
DELETE
Delete.
SHIFT+DELETE
Delete selected item permanently without placing the item in the Recycle Bin.
CTRL while dragging an item                                
Copy selected item.
CTRL+SHIFT while dragging an item
Create shortcut to selected item.
F2
Rename selected item.
CTRL+RIGHT ARROW
Move the insertion point to the beginning of the next word.
CTRL+LEFT ARROW
Move the insertion point to the beginning of the previous word.
CTRL+DOWN ARROW
Move the insertion point to the beginning of the next paragraph.
CTRL+UP ARROW
Move the insertion point to the beginning of the previous paragraph.
CTRL+SHIFT with any of the arrow keys

Highlight a block of text.
SHIFT with any of the arrow keys
Select more than one item in a window or on the desktop, or select text within a document.
CTRL+A
Select all.
F3
Search for a file or folder.
ALT+ENTER
View properties for the selected item.
ALT+F4
Close the active item, or quit the active program.
ALT+Enter
Displays the properties of the selected object.
ALT+SPACEBAR
Opens the shortcut menu for the active window.
CTRL+F4
Close the active document in programs that allow you to have multiple documents open simultaneously.
ALT+TAB
Switch between open items.
ALT+ESC
Cycle through items in the order they were opened.
F6
Cycle through screen elements in a window or on the desktop.
F4
Display the Address bar list in My Computer or Windows Explorer.
SHIFT+F10
Display the shortcut menu for the selected item.
ALT+SPACEBAR
Display the System menu for the active window.
CTRL+ESC
Display the Start menu.
ALT+Underlined letter in a menu name
Display the corresponding menu.
Underlined letter in a command name on an open menu
Carry out the corresponding command.
F10
Activate the menu bar in the active program.
RIGHT ARROW
Open the next menu to the right, or open a submenu.
LEFT ARROW
Open the next menu to the left, or close a submenu.
F5
Refresh the active window.
BACKSPACE
View the folder one level up in My Computer or Windows Explorer.
ESC
Cancel the current task.
SHIFT when you insert a CD into the CD-ROM drive
Prevent the CD from automatically playing.
Dialog box keyboard shortcuts
Press
To
CTRL+TAB
Move forward through tabs.
CTRL+SHIFT+TAB
Move backward through tabs.
TAB
Move forward through options.
SHIFT+TAB
Move backward through options.
ALT+Underlined letter
Carry out the corresponding command or select the corresponding option.
ENTER
Carry out the command for the active option or button.
SPACEBAR
Select or clear the check box if the active option is a check box.
Arrow keys
Select a button if the active option is a group of option buttons.
F1
Display Help.
F4
Display the items in the active list.
BACKSPACE
Open a folder one level up if a folder is selected in the Save As or Open dialog box.
Natural keyboard shortcuts
You can use the following keyboard shortcuts with a Microsoft Natural Keyboard or any other compatible keyboard that includes the Windows logo key (  ) and the Application key (  ).
Press
To
Display or hide the Start menu.
        +BREAK
Display the System Properties dialog box.
 +D
Show the desktop.
 +M
Minimize all windows.
 +Shift+M
Restores minimized windows.
 +E
Open My Computer.
 +F
Search for a file or folder.
CTRL+  +F
Search for computers.
 +F1
Display Windows Help.
 + L
Lock your computer if you are connected to a network domain, or switch users if you are not connected to a network domain.
 +R
Open the Run dialog box.
Display the shortcut menu for the selected item.
 +U
Open Utility Manager.
Accessibility keyboard shortcuts
Press
To
Right SHIFT for eight seconds
Switch FilterKeys on and off.
Left ALT +left SHIFT +PRINT SCREEN
Switch High Contrast on and off.
Left ALT +left SHIFT +NUM LOCK
Switch MouseKeys on and off.
SHIFT five times
Switch StickyKeys on and off.
NUM LOCK for five seconds
Switch ToggleKeys on and off.
 +U
Open Utility Manager.
Windows Explorer keyboard shortcuts
Press
To
END
Display the bottom of the active window.
HOME
Display the top of the active window.
NUM LOCK+ASTERISK on numeric keypad (*)
Display all subfolders under the selected folder.
NUM LOCK+PLUS SIGN on numeric keypad (+)
Display the contents of the selected folder.
NUM LOCK+MINUS SIGN on numeric keypad (-)
Collapse the selected folder.
LEFT ARROW
Collapse current selection if it's expanded, or select parent folder.
RIGHT ARROW
Display current selection if it's collapsed, or select first subfolder.


# Shortcuts keys for Mac OS users


          Shortcut          Description
Command-XCut: Remove the selected item and copy it to the Clipboard.
Command-CCopy the selected item to the Clipboard. This also works for files in the Finder.
Command-VPaste the contents of the Clipboard into the current document or app. This also works for files in the Finder.
Command-ZUndo the previous command. You can then press Command-Shift-Z to Redo, reversing the undo command. In some apps, you can undo and redo multiple commands.
Command-ASelect All items. 
Command-FFind: Open a Find window, or find items in a document.
Command-GFind Again: Find the next occurrence of the item previously found. To find the previous occurrence, press Command-Shift-G.
Command-HHide the windows of the front app. To view the front app but hide all other apps, press Command-Option-H.
Command-MMinimize the front window to the Dock. To minimize all windows of the front app, press Command-Option-M.
Command-NNew: Open an new document or window.
Command-OOpen the selected item, or open a dialog to select a file to open.
Command-PPrint the current document.
Command-SSave the current document.
Command-WClose the front window. To close all windows of the app, press Command-Option-W.
Command-QQuit the app.
Option-Command-EscForce Quit: Choose an app to force quit. Or press Command-Shift-Option-Esc and hold for 3 seconds to force just the front app to quit.
Command–Space barSpotlight: Show or hide the Spotlight search field. To perform a Spotlight search from a Finder window, press Command–Option–Space bar. If you use multiple input sources to type in different languages, these shortcuts change input sources instead of showing Spotlight.
Space barQuick Look: Use Quick Look to preview the selected item.
Command-TabSwitch apps: Switch to the next most recently used app among your open apps. 
Shift-Command-Tilde (~)Switch windows: Switch to the next most recently used window of the front app. 
Shift-Command-3Screenshot: Take a screenshot of the entire screen. Learn more screenshot shortcuts.
Command-Comma (,)Preferences: Open preferences for the front app.

Sleep, log out, and shut down shortcuts

               Shortcut              Description
Power buttonTap to turn on your Mac or wake your Mac from sleep.  
Hold for 1.5 seconds while your Mac is awake to display a dialog asking if you want to restart, sleep, or shut down. If you don't want to wait 1.5 seconds, press Control–Power button or Control–Media Eject  .
Hold for 5 seconds to force your Mac to turn off.
Control–Command–Power buttonForce your Mac to restart.
Control–Shift–(Power button or Media Eject )Put your displays to sleep.
Control–Command–Media Eject Quit all apps, then restart your Mac. If any open documents have unsaved changes, you'll be asked whether you want to save them.
Control–Option–Command–(Power button or Media Eject )Quit all apps, then shut down your Mac. If any open documents have unsaved changes, you'll be asked whether you want to save them.
Shift-Command-QLog out of your OS X user account. You'll be asked to confirm.
Option-Shift-Command-QLog out of your OS X user account immediately, without being asked to confirm.

Document shortcuts

               Shortcut              Description
Command-BBoldface the selected text, or turn boldfacing on or off. 
Command-IItalicize the selected text, or turn italics on or off.
Command-UUnderline the selected text, or turn underlining on or off.
Command-TShow or hide the Fonts window.
Command-DSelect the Desktop folder from within an Open dialog or Save dialog.
Control-Command-DShow or hide the definition of the selected word.
Shift-Command-Colon (:)Display the Spelling and Grammar window.
Command-Semicolon (;)Find misspelled words in the document.
Option-DeleteDelete the word to the left of the insertion point.
Control-HDelete the character to the left of the insertion point. Or use Delete.
Control-DDelete the character to the right of the insertion point. Or use Fn-Delete.
Fn-DeleteForward delete on keyboards that don't have a Forward Delete   key. Or use Control-D.
Control-KDelete the text between the insertion point and the end of the line or paragraph.
Command-DeleteSelect Delete or Don't Save in a dialog that contains a Delete or Don't Save button.
Fn–Up ArrowPage Up: Scroll up one page. 
Fn–Down ArrowPage Down: Scroll down one page.
Fn–Left ArrowHome: Scroll to the beginning of a document.
Fn–Right ArrowEnd: Scroll to the end of a document.
Command–Up ArrowMove the insertion point to the beginning of the document.
Command–Down ArrowMove the insertion point to the end of the document.
Command–Left ArrowMove the insertion point to the beginning of the current line.
Command–Right ArrowMove the insertion point to the end of the current line.
Option–Left ArrowMove the insertion point to the beginning of the previous word.
Option–Right ArrowMove the insertion point to the end of the next word.
Shift–Command–Up ArrowSelect the text between the insertion point and the beginning of the document.
Shift–Command–Down ArrowSelect the text between the insertion point and the end of the document.
Shift–Command–Left ArrowSelect the text between the insertion point and the beginning of the current line.
Shift–Command–Right ArrowSelect the text between the insertion point and the end of the current line.
Shift–Up ArrowExtend text selection to the nearest character at the same horizontal location on the line above.
Shift–Down ArrowExtend text selection to the nearest character at the same horizontal location on the line below.
Shift–Left ArrowExtend text selection one character to the left.
Shift–Right ArrowExtend text selection one character to the right.
Option–Shift–Up ArrowExtend text selection to the beginning of the current paragraph, then to the beginning of the following paragraph if pressed again.
Option–Shift–Down ArrowExtend text selection to the end of the current paragraph, then to the end of the following paragraph if pressed again.
Option–Shift–Left ArrowExtend text selection to the beginning of the current word, then to the beginning of the following word if pressed again.
Option–Shift–Right ArrowExtend text selection to the end of the current word, then to the end of the following word if pressed again.
Control-AMove to the beginning of the line or paragraph.
Control-EMove to the end of a line or paragraph.
Control-FMove one character forward.
Control-BMove one character backward.
Control-LCenter the cursor or selection in the visible area.
Control-PMove up one line.
Control-NMove down one line.
Control-OInsert a new line after the insertion point.
Control-TSwap the character behind the insertion point with the character in front of the insertion point.
Command–Left Curly Bracket ({)Left align.
Command–Right Curly Bracket (})Right align.
Shift–Command–Vertical bar (|)Center align.
Option-Command-FGo to the search field. 
Option-Command-TShow or hide a toolbar in the app.
Option-Command-CCopy Style: Copy the formatting settings of the selected item to the Clipboard.
Option-Command-VPaste Style: Apply the copied style to the selected item.
Option-Shift-Command-VPaste and Match Style: Apply the style of the surrounding content to the item pasted within that content.
Option-Command-IShow or hide the inspector window.
Shift-Command-PPage setup: Display a window for selecting document settings.
Shift-Command-SDisplay the Save As dialog, or duplicate the current document.
Shift–Command–
Minus sign (-)    
Decrease the size of the selected item.
Shift–Command–
Plus sign (+)
Increase the size of the selected item. Command–Equal sign (=) performs the same function.
Shift–Command–
Question mark (?)
Open the Help menu.

Finder shortcuts

          Shortcut          Description
Command-DDuplicate the selected files.
Command-EEject the selected disk or volume.
Command-FStart a Spotlight search in the Finder window.
Command-IShow the Get Info window for a selected file.
Shift-Command-COpen the Computer window.
Shift-Command-DOpen the desktop folder.
Shift-Command-FOpen the All My Files window.
Shift-Command-GOpen a Go to Folder window.
Shift-Command-HOpen the Home folder of the current OS X user account.
Shift-Command-IOpen iCloud Drive.
Shift-Command-KOpen the Network window.
Option-Command-LOpen the Downloads folder.
Shift-Command-OOpen the Documents folder.
Shift-Command-ROpen the AirDrop window.
Shift-Command-TAdd selected Finder item to the Dock (OS X Mountain Lion or earlier)
Control-Shift-Command-TAdd selected Finder item to the Dock (OS X Mavericks or later)
Shift-Command-UOpen the Utilities folder.
Option-Command-DShow or hide the Dock. This often works even when you're not in the Finder.
Control-Command-TAdd the selected item to the sidebar (OS X Mavericks or later).
Option-Command-PHide or show the path bar in Finder windows.
Option-Command-SHide or show the Sidebar in Finder windows.
Command–Slash (/)Hide or show the status bar in Finder windows.
Command-JShow View Options.
Command-KOpen the Connect to Server window.
Command-LMake an alias of the selected item.
Command-NOpen a new Finder window.
Shift-Command-NCreate a new folder.
Option-Command-NCreate a new Smart Folder.
Command-RShow the original file for the selected alias.
Command-TShow or hide the tab bar when a single tab is open in the current Finder window.
Shift-Command-TShow or hide a Finder tab.
Option-Command-TShow or hide the toolbar when a single tab is open in the current Finder window.
Option-Command-VMove: Move the files in the Clipboard from their original location to the current location.
Option-Command-YView a Quick Look slideshow of the selected files.
Command-YUse Quick Look to preview the selected files.
Command-1View the items in the Finder window as icons.
Command-2View the items in a Finder window as a list.
Command-3View the items in a Finder window in columns. 
Command-4View the items in a Finder window with Cover Flow.
Command–Left Bracket ([)Go to the previous folder.
Command–Right Bracket (])Go to the next folder.
Command–Up ArrowOpen the folder that contains the current folder.
Command–Control–Up ArrowOpen the folder that contains the current folder in a new window.
Command–Down ArrowOpen the selected item.
Command–Mission ControlShow the desktop. This works even when you're not in the Finder.
Command–Brightness UpTurn Target Display Mode on or off.
Command–Brightness DownTurn display mirroring on or off when your Mac is connected to more than one display.
Right Arrow Open the selected folder. This works only when in list view.
Left ArrowClose the selected folder. This works only when in list view.
Option–double-clickOpen a folder in a separate window and close the current window.
Command–double-clickOpen a folder in a separate tab or window.
Command-DeleteMove the selected item to the Trash.
Shift-Command-DeleteEmpty the Trash.
Option-Shift-Command-DeleteEmpty the Trash without confirmation dialog.
Command-YUse Quick Look to preview the files.
Option–Brightness UpOpen Displays preferences. This works with either Brightness key.
Option–Mission ControlOpen Mission Control preferences.
Option–Volume UpOpen Sound preferences. This works with any of the volume keys.
Command key while draggingMove the dragged item to another volume or location. The pointer changes while you drag the item.
Option key while draggingCopy the dragged item. The pointer changes while you drag the item.
Option-Command while draggingMake an alias of the dragged item. The pointer changes while you drag the item.
Option-click a disclosure triangleOpen all folders within the selected folder. This works only when in list view.
Command-click a window titleSee the folders that contain the current folder.






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