locate : find files by name
[SYNOPSIS] locate OPTION PATTERN
OPTION
-A only print entries that match all patterns
-b match only the base name of path names
-c only print number of found entries
-d DB use DBPATH instead of default database (which is /var/lib/mlocate/mlocate.db)
-e only print entries for currently existing files
-i ignore case distinctions when matching patterns
-P don't follow trailing symbolic links when checking file existence
-S don't search for entries, print statistics about each used database
-q report no error messages about reading databases
-r REGEXP search for basic regexp REGEXP instead of patterns