通过 launchctl print-disabled system 打印信息如下：
disabled services = {
"com.nssurge.surge-mac.helper" => enabled
"com.apple.screensharing" => enabled
"com.apple.CSCSupportd" => disabled
"com.apple.mdmclient.daemon.runatboot" => disabled
"com.apple.ftpd" => disabled
"com.openssh.sshd" => enabled
"com.apple.dhcp6d" => disabled
"com.apple.bootpd" => disabled
"com.apple.ftp-proxy" => enabled
}
