| Shortcut Keys | Description | | Open Apple + Down | Opens the selected icon. | | Shift + Click | Select the icon and add it to the set of those selected. | | Tab | Highlight the next icon inside the folder, in alphabetical order. | | Shift + Tab | Highlight the previous icon inside the folder, in alphabetical order. | | Left arrow | Used when viewing by icon to select the icon to the left of the one highlighted. | | Right arrow | Used when viewing by icon to select icon to the right of the one highlighted. | | Up arrow | Used to select the icon above the one currently highlighted. | | Down arrow | Used to select the icon below the one currently highlighted. | | Open Apple + ? | Mac help | | Open Apple + E | Eject | | Open Apple + Shift + Up Arrow | Used to direct the input focus to the desktop level. | | Open Apple + M | Minimize window | | Open Apple + N | New finder window | | Open Apple + Shift + N | New folder | | Open Apple + W | Close the current window. | | Open Apple + C | Copy the elected item to the clipboard. | | Open Apple + X | Cut the selected item. | | Open Apple + V | Paste item from the clipboard | | Open Apple + L | Make alias | | Open Apple + R | Show original item | | Open Apple + T | Add to favorites | | Open Apple + O | Open the selected icon. | | Open Apple + F | Display the find dialog box. | | Open Apple + G | Repeat the last find operation. | | Open Apple + Shift + G | Takes a snapshot of the screen and saves it to a PICT file. |
(Please note that not all of the below shortcut keys will work in all versions of Mac OS)
Linux shortcut keys
| Shortcut keys | Description | | CTRL + B | Moves the cursor backward one character. | | CTRL + C | Cancels the currently running command. | | CTRL + D | Logs out of the current session. | | CTRL + F | Moves the cursor forward one character. | | CTRL + H | Erase one character. Similar to pressing backspace. | | CTRL + P | Paste previous line and/or lines. | | CTRL + S | Stops all output on screen (XOFF). | | CTRL + Q | Turns all output stopped on screen back on (XON). | | CTRL + U | Erases the complete line. | | CTRL + W | Deletes the last word typed in. For example, if you typed 'mv file1 file2' this shortcut would delete file2. | | CTRL + Z | Cancels current operation, moves back a directory and/or takes the current operation and moves it to the background. See bg command for additional information about background. |
Linux Command line shortcut keys | Shortcut keys | Description | | ~ | Moves to the user's home directory. | | !! | Repeats the line last entered at the shell. | | !$ | Repeats the last argument for the command last used. | | reset | Resets the terminal if terminal screen is not displaying correctly. | | shutdown -h now | Remotely or locally shuts the system down. | | adduser | Add a user to the system
| | alias | Create an alias | | chmod | Change access permissions | | echo | Display message on screen | | mv | Move or rename files or directories | | mount | Mount a file system | | man | Help manual | | killall | Kill processes by name | | passwd | Modify a user password | | su | Substitute user identity |
Remotely or locally shuts the system down. | 
