db5.3_deadlock -VERSION (return code: 0)
Berkeley DB 5.3.28: (September 9, 2013)
db5.3_deadlock --help (return code: 1)
db5.3_deadlock: invalid option -- '-'
usage: db5.3_deadlock [-Vv] [-a e | m | n | o | W | w | y]
[-h home] [-L file] [-P password] [-t sec.usec]