See this tutorial by theog on
How to Copy & Paste in Recovery Console on Windows 7 or Vista for a neat trick to use to allow you to Copy & Paste from the Recovery Console to save files and folders.
Also, to do this via Command Prompt, you need to copy from the Windows 7 partition, which may be C: D:.
Use diskpart to see where it really is. On mine, diskpart, list disk and list volume show:
>diskpart
Microsoft DiskPart version 6.2.9200
Copyright (C) 1999-2012 Microsoft Corporation.
On computer: DESKTOP
DISKPART> list disk
Disk ### Status Size Free Dyn Gpt
-------- ------------- ------- ------- --- ---
Disk 0 Online 279 GB 2048 KB
Disk 1 Online 119 GB 0 B
Disk 2 Online 1397 GB 1024 KB
Disk 3 No Media 0 B 0 B
DISKPART> list volume
Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 0 K DVD-ROM 0 B No Media
Volume 1 D D370_D NTFS Partition 78 GB Healthy
Volume 2 E D370_E NTFS Partition 191 GB Healthy
Volume 3 F D370_F NTFS Partition 9 GB Healthy
Volume 4 C Win_8 NTFS Partition 119 GB Healthy System
Volume 5 G D370_G NTFS Partition 698 GB Healthy
Volume 6 H D370_H NTFS Partition 542 GB Healthy
Volume 7 I Win_8.1 NTFS Partition 156 GB Healthy
Volume 8 J Removable 0 B No Media