1308
Appendix E MS-DOS Message Directory L
u
Track 0 bad - disk unusable
.-
[Format] L
• The Format
command
can
accommodate
defective sectors
on
the disk, except
for
those
near
the beginning.
You
must
use
another
disk. L
Unable to create directory
[Mkdir][Xcopy]
• MS-DOS
could
not
create the directory
you
specified
Check
to
see
that
there
is
not
a name conflict_ You may have a
file with
the
same name,
or
the
disk may
be
full.
Unable to erase
[Backup]
•
Backup
could
not
erase the files
on
the target
disk
Check to see that
the
files
on
the
backup disk are
not
read-only,
and that
the
disk
is
not
write-protected.
Unable to shift Screen
[Mode]
• Mode is
unable
to
shift
the test pattern
on
the screen
any
farther.
Unexpected DOS Error n
[Replace]
•
An
unexpected error n occurred, where n is the MS-DOS error
number.
Unrecognized command
in
CONFIG-SYS
[MS-DOS]
• There is
an
invalid
command
in
your
config_sys file.
Refer
to
Appendix
B,
"How
to
Configure Your System," for a list
of
valid statements.
Unrecognized printer
[Graphics]
• You are
using
an
invalid
printer.
Check
to
see
whether
you
entered
the
command properly,
or
refer
to
Chapter
3, "MS-DOS Commands," to make
sure
that you
have specified a valid
printer
name.
Unrecognized printer port
[Graphics]
• The
printer
device
name
that
you
specified
was
invalid
You may
need
to
set
the
printer
port
by using
the
mode
command.
E
c
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