• *App*
• - _options: Options - _fs: FileSystem

• *Options*

• *FileSystem*
• - _root: FSPath - _pwd: FSPath
• + mkdir + chdir + chmkdir + chmkdir + rmdir + up(): void + up(n: int): void + goRoot(): void + pwdir(): FSPath + FileSystem(): FileSystem + root(): FSPath

---

---

• *FSPath*
• + dump(os: ostream): void

---