Shut Down or Reboot a Solaris System


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The process of shutting down a Solaris system is critical. Using the init program to restart a system causes Solaris to perform a sequence of steps to shutdown services gracefully. The reboot command bypasses the runtime control scripts and can compromise data integrity. The sync commands synchronize the filesystem, flushing buffered data to disk.

To Shutdown

The best command to shutdown is this, executed as root:

shutdown -y -i5 -g0

You can also use an older command :

sync;sync;init 5

You can even use:


To Reboot

If you are trying to reboot the system as opposed to turning it off, you could use:

shutdown -y -i6 -g0


sync;sync;init 6

Or even:



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