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fsck_exfat(8)             BSD System Manager's Manual            fsck_exfat(8)


NAME

     fsck_exfat -- Verify and repair ExFAT file systems.


SYNOPSIS

     fsck_exfat -q device ...
     fsck_exfat [-f] [-p] [-y | -n] [-g | -x] [-d] device ...


DESCRIPTION

     The fsck_exfat utility verifies and repairs ExFAT file systems.

     The first form of fsck_exfat quickly checks the specified file systems to
     determine whether they were cleanly unmounted.

     The second form of fsck_exfat checks the specified file systems and tries
     to repair all detected problems, requesting confirmation before making
     any changes.  The default behavior is to always ask for confirmation of
     each change.  Use the -n or -y options to override this default behavior.

     The device parameter(s) should be a path to a "raw" disk device (a char-
     acter special device), such as /dev/rdisk1s1.  If you specify a "non-raw"
     path (a block special device) such as /dev/disk1s1, or just the disk name
     such as disk1s1, they will automatically be converted to the correspond-
     ing raw disk device (/dev/rdisk1s1).

     The options are as follows:

           -q      Causes fsck_exfat to quickly check whether the volume was
                   unmounted cleanly.  If the volume was unmounted cleanly,
                   then the exit status is 0.  If the volume was not unmounted
                   cleanly, then the exit status will be non-zero.  In either
                   case, a message is printed to standard output describing
                   whether the volume was clean or dirty.

           -f      This option is ignored by fsck_exfat and is present only
                   for compatibility with programs that check other file sys-
                   tem types for consistency.

           -p      Preen the specified file systems.  This option is ignored
                   by fsck_exfat and is present only for compatibility with
                   programs that check other file system types for consis-
                   tency.

           -y      Causes fsck_exfat to assume yes as the answer to all ques-
                   tions.  It will attempt to repair all problems that are
                   found.

           -n      Causes fsck_exfat to assume no as the answer to all ques-
                   tions.  The device will be opened read-only, and no repairs
                   will be made.

           -g      Causes fsck_exfat to produce its output in GUI-compatible
                   form.  Each message is printed as a tuple containing the
                   kind of message, the message string, and number of parame-
                   ters to the message string.  Any parameters to the message
                   string are printed on subsequent lines.  The message string
                   uses NSLog-like substitutions.  This output format is used
                   by applications such as Disk Utility.

           -x      Causes fsck_exfat to produce its output in an XML-like
                   form.  Each message is printed as a plist(5) containing a
                   message type, verbosity, message number, and message
                   string.  The message string uses NSLog-like substitutions.
                   For message strings that contain parameters, an array of
                   dictionaries is output.  This output format is used by
                   applications such as Disk Utility.  It may be used by other
                   kinds of applications which wish to parse the output of
                   fsck_exfat.

           -d      Causes fsck_exfat to produce extra debugging output.  This
                   generally contains additional details about problems found.
                   When writing bug reports for fsck_exfat, it is usually
                   helpful to include the output generated from this option.


SEE ALSO

     mount_exfat(8), fsck(8)


HISTORY

     The fsck_exfat utility first appeared in Mac OS X 10.6.3.

Darwin                         January 19, 2010                         Darwin

Mac OS X 10.6.5 - Generated Fri Nov 12 06:01:22 CST 2010
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