Renaming files
There is no special command to rename a file or directory. But we can use mv to do the same.
Copying and Removing directories
Using -R option we can apply cp and rm to directories also.
Using -f in case of rm forces the delete.
Example
vishnu@bios-11:~$ ls Desktop Downloads Music Public Ubuntu One Documents examples.desktop Pictures Templates Videos vishnu@bios-11:~$ mkdir test vishnu@bios-11:~$ ls Desktop Downloads Music Public test Videos Documents examples.desktop Pictures Templates Ubuntu One vishnu@bios-11:~$ mv test/ temp vishnu@bios-11:~$ ls Desktop Downloads Music Public Templates Videos Documents examples.desktop Pictures temp Ubuntu One vishnu@bios-11:~$ cp -R temp Documents/ vishnu@bios-11:~$ ls Desktop Downloads Music Public Templates Videos Documents examples.desktop Pictures temp Ubuntu One vishnu@bios-11:~$ rm temp rm: cannot remove `temp': Is a directory vishnu@bios-11:~$ rm -Rf temp vishnu@bios-11:~$ ls Desktop Downloads Music Public Ubuntu One Documents examples.desktop Pictures Templates Videos vishnu@bios-11:~$ cd ./Documents/ vishnu@bios-11:~/Documents$ ls blog docs learn task list temp vishnu@bios-11:~/Documents$ rmdir temp vishnu@bios-11:~/Documents$ ls blog docs learn task list