db_dump185 man page on Tru64

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db_dump(8)							    db_dump(8)

NAME
       db_dump, db_dump185 - Reads and writes the security databases (Enhanced
       Security)

SYNOPSIS
       /usr/tcb/bin/db_dump [-dN] [-f output] db_file

       [/usr/tcb/bin/db_dump] [-p] [-f output] [-h home] db_file

       [/usr/tcb/bin/db_dump185] [-p] [-f output] db_file

OPTIONS
       Dump the specified database in  a  format  helpful  for	debugging  the
       Berkeley DB library routines. The output format of the -d option is not
       standard and may change without notice between releases of the Berkeley
       DB  library.   Write  to	 the specified file instead of to the standard
       output Specify a home directory for the database. The correct directory
       for  enhanced security is /var/tcb/files.  Do not acquire shared region
       locks while searching the database. This option is  intended  only  for
       debugging  and  should  not  be used under any other circumstances.  If
       characters in either the key or data items are printing characters  (as
       defined	by isprint, use printing characters in file to represent them.
       This option permits users to use standard text  editors	and  tools  to
       modify the contents of databases.

DESCRIPTION
       A customized version of the Berkeley Database (Berkeley DB) is embedded
       in the operating system to provide  high-performance  database  support
       for critical security files. The DB includes full transactional support
       and database recovery, using write-ahead logging and  checkpointing  to
       record changes.

       The db_dump utility reads the security database file db_file and writes
       it to the standard output using a portable flat-text format  understood
       by the db_load utility.

       The db_dump and db_dump185 utilities are included in Tru64 UNIX for use
       by installation and update utilities, and are not recommended  for  use
       by system administration. The edauth utility provides a supported means
       of copying records from the security databases.

       Earlier versions of Tru64 UNIX used Version 1.85 of the Berkeley DB for
       enhanced	 security databases. So the db_dump185 utility, which is simi‐
       lar to the db_dump utility except that it reads databases in the format
       used  by	 Berkeley  DB  Versions	 1.85 and 1.86, is included with Tru64
       UNIX.

       Dumping and reloading hash databases that use user-defined  hash	 func‐
       tions  will result in new databases that use the default hash function.
       While using the default hash function may not be optimal	 for  the  new
       database, it will continue to work correctly.

       Dumping and reloading btree databases that use a user-defined prefix or
       comparison functions results in new databases that use the default pre‐
       fix and comparison functions. In this case, it is quite likely that the
       database will be damaged beyond repair permitting neither record	 stor‐
       age or retrieval.

       The  only available workaround for either case is to modify the sources
       for the db_load utility to load the database using  the	correct	 hash,
       prefix and comparison functions.

RETURN VALUES
       The db_dump utility exits 0 on success, and >0 if an error occurs.

       The db_dump185 utility exits 0 on success, and >0 if an error occurs.

ENVIRONMENT VARIABLES
       If  the -h option is not specified and the environment variable DB_HOME
       is set, it is used as the path of the database home. The home directory
       for security is /var/tcb/files.

FILES
       /var/tcb/files/auth.db

       /var/tcb/files/dblogs/*

SEE ALSO
       Commands: edauth(8), db_load(8)

								    db_dump(8)
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