db_dump -VERSION (return code: 0)
Berkeley DB 5.3.28: (September 9, 2013)
db_dump --help (return code: 1)
db_dump: invalid option -- '-'
usage: db_dump [-klNprRV]
[-d ahr] [-f output] [-h home] [-P password] [-s database] db_file
usage: db_dump [-kNpV] [-d ahr] [-f output] [-h home] -m database