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FSDB(1M)							      FSDB(1M)

NAME
       fsdb - file system debugger

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

DESCRIPTION
       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 indi‐
       cate  the  file system to be debugged. fsdb is intended for experienced
       users only. FSType is the file system type to be debugged.  Since  dif‐
       ferent  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 capabili‐
       ties.

OPTIONS
       -F
	     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
	     /etc/default/fs.

       -V
	     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.

       -o
	     Specify  FSType-specific options.

USAGE
       See  largefile(5)  for  the  description	 of  the behavior of fsdb when
       encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).

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

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

       /etc/vfstab
			  list of default parameters for each file system

SEE ALSO
       vfstab(4), attributes(5), largefile(5) Manual pages for the FSType-spe‐
       cific modules of fsdb.

NOTES
       This command may not be supported for all FSTypes.

				 Sep 16, 1996			      FSDB(1M)

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