I just want to know difference between in
shutdown -r now
and which is the safest and the best?
There is no difference in them. Internally they do exactly the same thing:
Today there is not much difference as both commands do exactly the same, and they respect the init scripts used to start services/daemons by invoking the shutdown scripts for them. Except for
There is a small explanation taken from manpages of why the
-f, --force Force immediate halt, power-off, reboot. Don't contact the init system.
Forgot to mention, in upcoming RHEL distributions you should use the new
Long story short, if you only use them for reboot, as you said, they are equally safe. As for best...there is no such thing.
when you call
NOTE: difference between shutdown and reboot : shutdown is secure!
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