FSDB(8) Maintenance Procedures FSDB(8)


fsdb - file system debugger


fsdb [-F FSType] [-V] [-o FSType-specific_options] special


fsdb is a file system debugger that allows for the manual repair of a
file system after a crash. special is a special device used to
indicate the file system to be debugged. fsdb is intended for experienced
users only. FSType is the file system type to be debugged. Since
different FSTypes have different structures and hence different debugging
capabilities, the manual pages for the FSType-specific fsdb should be
consulted for a more detailed description of the debugging capabilities.


Specify the FSType on which to operate. The FSType should either
be specified here or be determinable from /etc/vfstab by matching
the special with an entry in the table, or by consulting

Echo the complete command line, but do not execute the command. The
command line is generated by using the options and arguments
provided by the user and adding to them information derived from
/etc/vfstab. This option may be used to verify and validate the
command line.

Specify FSType-specific options.


See largefile(7) for the description of the behavior of fsdb when
encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).


default local file system type. Default values can be
set for the following flags in /etc/default/fs. For
example: LOCAL=ufs

The default partition for a command if no
FSType is specified.

list of default parameters for each file system


vfstab(5), attributes(7), largefile(7) Manual pages for the
FSType-specific modules of fsdb.


This command may not be supported for all FSTypes.

September 16, 1996 FSDB(8)