What is comma key?

comma's full name is "Command", also known as the Apple key. It is a special key on a Mac computer. It is the fourth key from the left in the last row of Apple's standard keyboard and the key to the left of the option on the right. ; Its main function is to replace the space bar and allow users to use shortcut keys to operate the system. With the release of Apple's new generation of Mac computers, the Command key is also used to control system functions, such as copying, pasting, opening programs, etc.

The operating environment of this tutorial: Mac OS X system, macbook pro 14 2021 computer.

The comma key (Command key) is also called the Apple key.

Command key introduction

The Command key is a special key on Mac computers. It was introduced by Apple in 1984. In fact, That is the "Apple key". It is the fourth key from the left in the last row of Apple's standard keyboard and the key to the left of the option on the right. It is marked with the word "Command" and is used to trigger shortcut keys and other operations to improve the user's work efficiency.

The Command key was originally used on Apple's Lisa desktop computer. Its main function is to replace the space bar and allow users to use shortcut keys to operate the operating system. With the release of Apple's new generation of Mac computers, the Command key is also used to control system functions, such as copying, pasting, opening programs, etc.

Command key function

The Command key has many functions. Users can learn how to use various shortcuts according to their own needs. keys to better master the operation of your Mac computer. The specific functions are as follows:

For example, the user can use Command C to copy text, Command V to paste text, Command X to cut text, and Command Z to undo. Operation, use Command F to search for text, use Command A to select all text, use Command P to print files, use Command Q to exit the program, and so on.

In addition, the Command key can also be used to adjust the screen brightness of the system. Use Command F1 to lower the screen brightness, use Command F2 to raise the screen brightness, and use Command F3 to lower the screen brightness to the minimum. Use Command F4 can adjust the screen brightness to the highest level.

The Command key can also be used to control the volume of the computer. Use Command F11 to turn down the volume, use Command F12 to turn up the volume, use Command Option F11 to turn the volume to the minimum, and use Command Option F12 to turn it down. Turn the volume up to maximum.

When the comma key represents the comma key of the keyboard, then this key is an important input tool, which can help users enter text more conveniently and quickly.

The comma key is a small key, but it has an important function. It can help users separate sentences or components in text to Express words better. For example, when we want to express a list, we can use commas to separate different items so that we can express it more clearly. In addition, commas can also be used to indicate specific elements in a sentence. Without commas, the text will become unclear.

In addition, the comma key can also help users express text more smoothly, making the article smoother and smoother. For example, when we need to add some extra information to a certain part of a sentence, we can use commas to express it, so that the text will be more fluent without too many sentence breaks, making the article smoother.

Extended knowledge: Common Command key combinations

Command-X: Cut the selected item and copy it to the clipboard.

Command-C: Copy the selected items to the clipboard.

Command-V: Paste the contents of the clipboard into the current document or app.

Command-Z: Undo the previous command.

Command-A: Select all items.

Command-F: Find items in the document or open the Find window.

Command-G: Find again.

Command-H: Hide the window of the front application.

Command-M: Minimize the frontmost window to the "Dock".

Command-O: Open the selection, or open a dialog box to select a file to open.

Command-P: Print the current document.

Command-S: Save the current document.

Command-T: Open a new tab.

Command-W: Close the frontmost window.

Command-D: Copy selected files.

Command-E: Eject the selected disk or volume.

Command-F: Start a Spotlight search in the Finder window.

Command-I: Displays the Show Info window for the selected file.

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