Returns the path separator character, which depends on the user's operating system.
To combine path components with the path separator, consider using PathCombine instead.On Linux, this is /.
An example Linux path is /home/user/file.txt.On macOS, this is /.
An example macOS path is /Users/user/Documents/file.txt.On Windows, this is \.
An example Windows path is C:\Users\user\Documents\file.txt.