Add and modify the file extension method in Windows

Windows
Batch the file extension method in batches, also used to add file extension methods in batches under Windows
!

Steps: This test is tested under Windows 7. Under Windows 7, the cmd command can only enter the C drive directory. The flagship version is like this, I don't know what other versions are like!

1. In the root directory of the C drive, create a new folder, and change the folder name to English name (required). For example, create a new folder and name it ziyouwu2. Add the file with the extension and sort it out. Ok, and copy it to the first ziyouwu folder created in the first step. 3. At the beginning - run - enter cmd, enter 4. In the cmd command indicator, use the cd command to enter the ziyouwu directory, enter the method is, enter The following command: cd c:\\ziyouwu and then enter

5. After the carriage return, the cursor is automatically set to c:\\ziyouwu> here, and then enter the following command after this: ren * *. Txt Enter 6. After the completion, go to the root directory of the C drive, open the ziyouwu folder and find that the file without the extension is automatically added

The author can complete the test. Suddenly found that under the Windows command window, some commands are similar to Linux, even the same, such as entering a directory cd