Compare usages for more than two types of operating systems.   for example,  how to create directory.

Answer:

For Windows:

If you want to create a directory, you can click on the new folder by clicking on the right side of the mouse, or you can open the dos, and input md <folderName> or mkdir <folderName>. For example:

             

 

For Linux:

If you want to create a directory, you can use the command --- mkdir [option] DirName. The option can be "-m" or "-p", "-m" means setting access permissions for creating a directory, and "-p" means creating upper folder when needed.

For example:

If you want to create a folder named "test" on the desktop, you can use the command --- mkdir desktop/test.

If you want to create a folder named "test" on the desktop and assign permissions to the folder with a privilege of 123, you can use the command --- mkdir 123 desktop/test.