- --help[=FMT] (default=auto)
- Show this help in format FMT. The value FMT must be one of
auto, pager, groff or plain. With auto,
the format is pager or plain whenever the TERM env
var is dumb or undefined.
- --version
- Show version information.
internal exits with the following status:
- 0
- on success.
- 123
- on indiscriminate errors reported on standard error.
- 124
- on command line parsing errors.
- 125
- on unexpected internal errors (bugs).