Native macOS and Linux administration (non-WSL). Profile-aware - reads preferences
from ~/.admin/profiles/{hostname}.json.
Use when: macOS system admin, Homebrew packages, native Linux admin, apt/dnf/pacman packages,
systemd services, launchd/brew services, Python/Node on mac or linux.
NOT for: WSL (use admin-wsl), Windows (use admin-windows).
Keywords: macos, osx, darwin, homebrew, brew, linux, ubuntu, debian, fedora, apt, dnf, pacman,
systemctl, launchd, brew services, python mac, node mac