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find: Invoking updatedb

 
 8.3 Invoking 'updatedb'
 =======================
 
      updatedb [OPTION...]
 
    'updatedb' creates and updates the database of file names used by
 'locate'.  'updatedb' generates a list of files similar to the output of
 'find' and then uses utilities for optimizing the database for
 performance.  'updatedb' is often run periodically as a 'cron' job and
 configured with environment variables or command options.  Typically,
 operating systems have a shell script that "exports" configurations for
 variable definitions and uses another shell script that "sources" the
 configuration file into the environment and then executes 'updatedb' in
 the environment.
 
 '--findoptions='OPTION...''
      Global options to pass on to 'find'.  The environment variable
      'FINDOPTIONS' also sets this value.  Default is none.
 
 '--localpaths='PATH...''
      Non-network directories to put in the database.  Default is '/'.
 
 '--netpaths='PATH...''
      Network (NFS, AFS, RFS, etc.)  directories to put in the database.
      The environment variable 'NETPATHS' also sets this value.  Default
      is none.
 
 '--prunepaths='PATH...''
      Directories to omit from the database, which would otherwise be
      included.  The environment variable 'PRUNEPATHS' also sets this
      value.  Default is '/tmp /usr/tmp /var/tmp /afs'.  The paths are
      used as regular expressions (with 'find ... -regex', so you need to
      specify these paths in the same way that 'find' will encounter
      them.  This means for example that the paths must not include
      trailing slashes.
 
 '--prunefs='PATH...''
      Filesystems to omit from the database, which would otherwise be
      included.  Note that files are pruned when a filesystem is reached;
      Any filesystem mounted under an undesired filesystem will be
      ignored.  The environment variable 'PRUNEFS' also sets this value.
      Default is 'nfs NFS proc'.
 
 '--output=DBFILE'
      The database file to build.  The default is system-dependent, but
      when this document was formatted it was
      '/var/cache/locate/locatedb'.
 
 '--localuser=USER'
      The user to search the non-network directories as, using 'su'.
      Default is to search the non-network directories as the current
      user.  You can also use the environment variable 'LOCALUSER' to set
      this user.
 
 '--netuser=USER'
      The user to search network directories as, using 'su'.  Default
      'user' is 'daemon'.  You can also use the environment variable
      'NETUSER' to set this user.
 
 '--dbformat=FORMAT'
      Generate the locate database in format 'FORMAT'.  Supported
      database formats include 'LOCATE02' (which is the default) and
      'slocate'.  The 'slocate' format exists for compatibility with
      'slocate'.  ⇒Database Formats, for a detailed description of
      each format.
 
 '--help'
      Print a summary of the command line usage and exit.
 '--version'
      Print the version number of 'updatedb' and exit.
 

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