AT&T Unix Owner's Manual page 216

Using Floppy Disks
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8 Type an MS-DOS file name and press <Return>.
The file name must be acceptable for an MS-
DOS file (consult your MS-DOS documentation)
9 The MS-DOS file ext field supplies a default
extension for the copied file (.DOC).
If you
want another extension for this copied file,
type another extension. MS-DOS accepts no
more than three characters for a file name
extension.
Press <Enter> to use .DOC as your file name
extension, or type a new file name extension
and press <Enter>.
Your UNIX file is copied onto the MS-DOS-
formatted floppy disk in the floppy disk
drive. When the copy is completed, you see
the following message:
••
~rite
successfully completed.
~rite
more files ?
Touch ENTER to continue
or CANCl to stop.
10 Press <Enter> if you want to copy another
UNIX file onto the MS-DOS disk; otherwise,
press <Cancl> to return to the Floppydisk
menu.