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updatedb - Update the Search Database
The updatedb command is used to update the located atabase, which is typically located at "/var/lib/mlocate/mlocate.db" . The locate database is an index of all available files on the system. The basic syntax for the updatedb command is as follows: pdatedb [OPTIONS] .
Some common options for the updatedb command include:
-s ： Update the database for specific directories only.
-r : Rebuild the entire database.
-u : Update the database for modified files only.
The format and rules for creating the database with the updatedb command are determined by the configuration file "/etc/updatedb.conf". You can find more information on the configuration file and related locate commands in the provided link.