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RECOVER
RECOVER pathname
RECOVER drive:
Chapter
6 / Command Reference
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Recovers
(1)
a file
that
contains bad sectors, or
(2)
all files on a
disk
that
contains bad sectors
in
its
directory.
Parameters
pathname specifies
the
file to recover.
drive: specifies
the
disk to recover.
Notes
and
Suggestions
•
If
you perform
the
RECOVER procedure on
an
entire disk,
it
changes all filenames to
the
format,
filennnn.rec,
where
nnnn
is a four digit
number
unique to each file.
•
In
recovering files
that
contain bad sectors, MS-DOS reads the
file sector by sector.
It
marks
the bad sectors
in
a system
table
so
that
the
data
is never
again
allocated to them.
•
In
recovering disks
that
contain bad sectors, MS-DOS scans
the disk File Allocation Table
(FAT)
for
chains of allocation
units.
It
creates a new root directory
for
each chain. Use the
RECOVER
drive: command only
if
the disk's directory is
unusable.
•
If
there
is not enough room
in
the root directory, RECOVER
displays a message to
this
effect.
It
then stores information
about
the
extra
files
in
the
File Allocation Table. When there
is enough room, you
can
use RECOVER
again
to
regain
the
files.
•
If
you have trouble storing and
manipulating
information, the
disk may have a flawed sector. Running CHKDSK (check
disk) should indicate whether
this
is the case.
If
the
file
that
contains
the
flawed sector is a
text
file, recover
the
file. This
saves all information except
that
in
the
flawed sector. Reenter
the
lost information.
If
the
file is a
data
file, recovering
the
file
mayor
may not help.
•
If
you
are
a beginner, you may prefer reentering
all
informa-
tion
rather
than
trying
to recover a file.
151
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