db5.3_checkpoint -VERSION (return code: 0)
Berkeley DB 5.3.28: (September 9, 2013)
db5.3_checkpoint --help (return code: 1)
db5.3_checkpoint: invalid option -- '-'
usage: db5.3_checkpoint [-1Vv]
[-h home] [-k kbytes] [-L file] [-P password] [-p min]