- chdir – It can be used to change directory
- chroot – It can be used to change the root directory
- closedir – It closes directory handle
- dir – It return an instance of the Directory class
- getcwd – It returns the current working directory
- opendir – It opens directory handle
- readdir – It reads entry from directory handle
- rewinddir – It rewinds directory handle
- scandir – It lists files and directories of a given path.