To expand on this: if you look at a dir in Emacs then change the buffer to be writable, you can change file names and saving the buffer renames files. You can a

To expand on this: if you look at a dir in Emacs then change the buffer to be writable, you can change file names and saving the buffer renames files. You can also edit the permissions columns in a similar way. And there is vc integration so eg eMacs will hg mv files in a mercurial repo.