** GNU/Linux with common commands (`uname`, `id`, `stat`, `sha512sum`,
`cat`, `mktemp`, `rm`, `ln`, `chmod`)
** FreeBSD (same commands, but uses `sha512`)
** GNU/Linux with common commands (`uname`, `id`, `stat`, `sha512sum`,
`cat`, `mktemp`, `rm`, `ln`, `chmod`)
** FreeBSD (same commands, but uses `sha512`)