The seven thing we know is the Windows of the operating system

1. What happens when you delete a file?

When you click the delete button to delete a file, where will it go?

In fact, this file will not be deleted immediately, will enter the trash bin – Recycle Bin (unless this function is disabled), if you find errors, you can restore files easily. Windows files that can not be deleted until your “junk” (empty recycle bin), no matter you are “junk”, the file is not necessarily deleted, because, at this time, Windows marks the document as “can be overwritten.”

Therefore, if you miss the “garbage” of your hands, there is still a chance to save the document with tools, specifically for Recuva. However, remember that if you want to restore the deleted files, you need a faster system to write too many data to the hard disk, and no intention to overwrite your files.

On the contrary, if you really want to delete a file, no one can return to the “garbage” after completion, you need to perform any operation of the data coverage area can include files on the hard disk has been deleted.

2. Restrict connections to named files and folders

If you notice, you will see that when the name of a file or folder and a special character “/”, “*”, “,”, “Windows” will not let you do so, the reason is related to the operation method of the wireless file system. Now.

For example, Windows uses the character “to” distinguish your folder. When using the CD command (change directory), you can just a file path: Windows on vnreviewbian hard disk. If your name is “bianwindows file” instead of “Bian Windows”, the system will understand that Bian is a directory and files in Windows are a directory. To avoid this situation, Windows will not let you use special characters, files or folders on your name.

For character “:”, it is not allowed to use the name of the file or folder in Windows, because it is in the default character mark, and is a device (such as C: hard disk).

Finally, the tag “*” represents a character in the command line interface (Ultimate prompt), for example, when you enter del *. The* system will delete all files in the current directory file. If your name is *.Txt, there will be a conflict V accidentally. You are in the same command, and when you want to delete this file, Windows will delete the entire file end.Txt directory.

Of course, these restrictions are too outdated, because now we use the graphical interface of the system instead of using the command line. There is no reason to delete them.

Next to the character, if in, you can’t even put the file name by a specific number, aux, LPT1… Because this is specially designed for your operating system, keyboard and monitor, only aux uses a serial port device and LPT1 port, just printer port.

3. Microsoft’s program is interested.

In the programmer’s words, you left some interesting commands that they used to test the software. Just input a command, press the Enter key, and will show a phrase with a long phrase. The pleasure of reading.

The order is “and (3, 5)”, and third is the five-row number of words and figures for each paragraph.

With the content of the new version, this mysterious text is used from the document to use the office of (help) department. In the older version, the quick brown fox jumps line text will be repeated in the lazy dog (you can type = (5, 10) and.old to display the same content).

In addition, you can type “= form (5, 10)” to display a line of text lorem Ipsum classic.

You can use this program to test new bookmarks or to display a random text to see if you have formatted and paragraph indent (paragraph).

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