code: public static final Path fromPosix(String posix)
      {
          String path = posix.replace("/", SEP);
          if (OperatingSystem.is(Windows) && path.startsWith("\\"))
          {
              path = "c:"+path;
          }
              
          return Paths.get(path);
      }
docs: Converts '/' separated path to Path. Path is absolute if it starts with '/'.
  @param posix
  @return