I think that is /lib/systemd/systemd-timesyncd. This is not a script, though.
root@PhysicsEdison2:~# ls -l /lib/systemd/systemd-timesyncd -rwxr-xr-x 1 root root 99816 Sep 3 14:59 /lib/systemd/systemd-timesyncd |
And /lib/systemd/system/systemd-timesyncd.service seems the service script to startup the time sync service.
root@PhysicsEdison2:~# ls -l /lib/systemd/system/systemd-timesyncd.service -rw-r--r-- 1 root root 898 Sep 3 14:59 /lib/systemd/system/systemd-timesyncd.service |
Please look at this postforthe information about startup script.