directory_separator

Operating systems use the directory separator to divide the components of a file path. A file path is the structure of the directories and folders that tell the operating system where to locate a specific file. Directory separators break up the file path into components, allowing the operating system to locate files quickly and accurately.
The character that is used to separate components of a file path is referred to as the directory separator. In DOS and Windows systems, the directory separator is a backslash (\). On Mac OS and Linux systems, the directory separator is a forward slash (/).
When programming, it is important to be aware of the proper directory separator for the operating system where the program will be used. If a program is written assuming the Windows directory separator, but the program is used on a Mac OS system, the program may not be able to locate the correct files.
Directory separators are also used in web page addresses or URLs to separate the components of an online address. In URLs, the directory separator is always a forward slash, regardless of the underlying operating system.
The directory separator is a key component of the way file paths and web addresses are structured. By using the proper directory separator for the underlying operating system, programmers can ensure that their programs can find the necessary files, and web browsers can correctly access the desired web page.