gdbm_load --version (return code: 0)
gdbm_load (gdbm) 1.14.1
Copyright © 2011-2017 Free Software Foundation, IncLicense GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
gdbm_load --help (return code: 0)
Usage: gdbm_load [OPTION]... FILE [DB_FILE]
load a GDBM database from a file
-M, --mmap use memory mapping
-b, --block-size=NUM set the block size
-c, --cache-size=NUM set the cache size
-m, --mode=MODE set file mode
-n, --no-meta do not attempt to set file meta-data
-r, --replace replace records in the existing database
-u, --user=NAME|UID[:NAME|GID]
set file owner
-h, --help give this help list
--usage give a short usage message
-V, --version print program version
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
Report bugs to <bug-gdbm@gnu.org>.
gdbm home page: <http://www.gnu.org/software/gdbm>