Help screen should adapt to current machine and not show features that are not available for it, etc.
Linux
- Detect if systemd is available and, if not, remove
enable
command
macOS
- Production use is not available, remove
enable
command
Windows
- Sync is not available, remove sync-related info
- Production use is not available, remove
enable
command
Also ensure that there is a note about which features are disabled on this machine and why so that the person knows what features are available in general on better-supported platforms.