What characters are forbidden in Windows and Linux directory names?

Question

I know that / is illegal in Linux, and the following are illegal in Windows (I think) * . \" / \\ [

Answer 1

The .NET Framework System.IO provides the following functions for invalid file system characters:

• Path.GetInvalidFileNameChars
• Path.GetInvalidPathChars

Those functions should return appropriate results depending on the platform the .NET runtime is running in.