ubuntu@ubuntu:~$ cd Desktop/
ubuntu@ubuntu:~/Desktop$ file Untitled\ Document 
Untitled Document: empty
ubuntu@ubuntu:~/Desktop$ gvfs-info Untitled\ Document
display name: Untitled Document
edit name: Untitled Document
name: Untitled Document
type: regular
size:  0
uri: file:///home/ubuntu/Desktop/Untitled%20Document
attributes:
  standard::type: 1
  standard::name: Untitled Document
  standard::display-name: Untitled Document
  standard::edit-name: Untitled Document
  standard::copy-name: Untitled Document
  standard::icon: application-octet-stream, application-x-generic
  standard::content-type: application/octet-stream
  standard::fast-content-type: application/octet-stream
  standard::size: 0
  standard::allocated-size: 0
  standard::symbolic-icon: application-octet-stream-symbolic, application-x-generic-symbolic, application-octet-stream, application-x-generic
  etag::value: 1443538303:527767
  id::file: l19:545
  id::filesystem: l19
  access::can-read: TRUE
  access::can-write: TRUE
  access::can-execute: FALSE
  access::can-delete: TRUE
  access::can-trash: TRUE
  access::can-rename: TRUE
  time::modified: 1443538303
  time::modified-usec: 527767
  time::access: 1443538303
  time::access-usec: 527767
  time::changed: 1443538303
  time::changed-usec: 527767
  unix::device: 19
  unix::inode: 545
  unix::mode: 33204
  unix::nlink: 1
  unix::uid: 999
  unix::gid: 999
  unix::rdev: 0
  unix::block-size: 4096
  unix::blocks: 0
  unix::is-mountpoint: TRUE
  owner::user: ubuntu
  owner::user-real: Live session user
  owner::group: ubuntu
  metadata::nautilus-icon-position: 58,209
  metadata::nautilus-icon-position-timestamp: 1443538303
  metadata::screen: 0
ubuntu@ubuntu:~/Desktop$ mimetype --brief --dereference Untitled\ Document 
text/plain
ubuntu@ubuntu:~/Desktop$