getconf --version (return code: 0)
getconf (Ubuntu GLIBC 2.23-0ubuntu5) 2.23
Copyright (C) 2016 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath.
getconf --help (return code: 0)
Usage: getconf [-v SPEC] VAR
or: getconf [-v SPEC] PATH_VAR PATH
Get the configuration value for variable VAR, or for variable PATH_VAR
for path PATH. If SPEC is given, give values for compilation
environment SPEC.
For bug reporting instructions, please see:
<https://bugs.launchpad.net/ubuntu/+source/glibc/+bugs>.