Tab key is the abbreviation of TALBE (table), also called tab positioning key, you may think it will only come in handy when editing documents. In fact, in the Windows system, the Tab key can be used as a helper for improving efficiency in many cases. Let's take a look at the usage of the Tab key in Windows. 1. Change the focus Focus on the next button, input box or link. For example, if you close an unsaved notepad, a prompt will pop up. At this time, there is a dotted box on the button. If you press the space or press Enter, it is equivalent to clicking the button with the mouse. . If you want to use the keyboard to click the ”“no” button, press the Tab key, and the dotted line will be moved to “no”, then press the space. There is also a very common usage. When you log in to the forum or QQ, you can enter the account and you don't need to click the password box with your mouse. Just press the Tab key to position the cursor to the password box. If you want to position it in reverse, press the key combination Shift + Tab. 2, fast rename In Vista or Windows Server 2008, Tab also has a magical usage: select an icon on the desktop, press F2 to enter the rename state, after the name is changed, then press the Tab key, it will enter The rename status of a file. To reverse the previous file, press the Shift + Tab key combination. It is very convenient when renaming multiple files. 3, switch windows Old birds often use the Alt + Tab key combination to quickly switch windows. This combination of keys must first press the Alt key and then press the Tab key to quickly switch to the previous window. With the Alt key pressed, pressing the Tab key will bring up the icon for the currently open window, and then press the Tab key to switch between each icon. The Alt + Shift + Tab key combination is a reverse switch. Release the Alt key to switch the window. Under Vista, press this key combination and a window thumbnail appears. 4. Switch tabs or tabs Ctrl + Tab : Switch to the next tab or tab of the browser. Ctrl + Shift + Tab : Reverse switch. Firefox users can also install the Ctrl-Tab extension to implement tab switching with preview. By the way, press Ctrl + Shift + A to preview all the tags, and you can type them on the search box to filter the tags. 5. At the command prompt At the command prompt, the Tab key is very useful, it automatically fills in the names of files and folders. Some friends may already know, but this tip has another little secret that is little known. The following is explained in detail through an example: Assume that there is a folder under the path: a, ab, and there are files: abc.txt, ac.txt. Click “Start →Run”Enter“cmd”, press Enter to open the command prompt. First enter “D:”, press Enter to switch to the D drive, and then enter the “cd test” command to enter the folder "D:\\test". Enter “dir” after “D:\\test>” (note a space after dir): Automatically populate the name of the folder or file: just press the Tab key to cycle through the names of the folders and files. Use Shift + Tab to fill the previous one. Automatically fill in the name of the folder or file at the beginning of a specific letter: type “a”, and press the Tab key to fill the folder “a” and the file “abc.txt”. Useful when entering a folder or file with a very long name. Automatically populate the name of the file with a specific extension: Type “*.txt”, and press the Tab key to populate the file “abc.txt”,“ac.txt”. At the command prompt, an asterisk stands for any character. Automatically fill the second letter for the name of a specific folder and file: type “?b*”, then press the Tab key to fill the folder “ab” and the file “abc.txt”. The question mark represents a character here. The name of the file whose name is a specific length is automatically filled in: Enter “???.txt”, and then press the Tab key to fill the file “abc.txt” and “ac.txt” in turn. 6. In the input method In the Google Pinyin input method, the Tab key is to page backwards. Shift + Tab is page forward. In the Sogou Pinyin input method, press the Tab key to enter the stroke selection mode. To use it, after entering the pinyin of one or more words, press the tab key, and then enter the first one by h (horizontal), s (vertical), p (撇), n (捺), z (fold). The stroke of the word is always found until the word. In this mode, you can also use the word-assisted auxiliary code. For example, if you want to input a Chinese character <;娴”, but it is very late, you can't find it, then type “xian”, then press the Tab key and then enter “ldquo;娴&rdquo” The two parts of the "female" and "free" rdquo;nx”, you can see that only the words "娴" 7. In Photoshop, when you press Tab, the toolbar and panel will be hidden, leaving only the menu bar. This shortcut is often used in conjunction with the full-screen shortcut ““f”. 8. Under EmEditor and EidtPlus When programming code under EmEditor and EidtPlus, select multiple lines and press Tab to quickly indent the selected multiple lines. The Shift + Tab key combination is reverse indented. 9, in the browser Some forums support the use of the key combination "Ctrl + Enter" to quickly submit, but this combination of keys does not necessarily support each browser. I am accustomed to using the Tab + Enter key combination to quickly submit, use the Tab key to move the focus to the "Submit" button (in a few cases, you need to press the Tab key multiple times), press the Enter key. “ Ctrl + Enter & rdquo; combination key needs to call javascript script to achieve, with the author of this method even if the web page is not scripted can also be submitted quickly. 10. When the Tab key is replaced, the Tab key can be used to generate a tab. If you want to replace the tab, what should I do? Very simple, in Word, press the key combination Ctrl + H, in the “ In the content & rdquo; enter “ ^ t & rdquo;, & ldquo; replaced with & rdquo; do not fill, click on all replace to quickly delete the tab. In EmEditor, press the key combination Ctrl + H as well, type “\\t”, “replace with ” in the "find", leave it blank, and check “use the escape sequence”, click “ All replacement & rdquo; It can be seen that the Tab key is actually used in Windows applications. If you can master these usages, it will also play a role in improving work efficiency.