I have to turn it off manually, whenever I go to update or restart for an update, the Mac will close everything, but just hang there, I can access the dock and everything.
In due course please let us have the answers to the other questions; and whether the second softwareupdate command succeeds.
If you can not update from 5, then try using your September 'OS X 10.10 Developer Preview 7' (as it should be listed on the Purchases page of App Store) to simply install the pre-release. Then perform an update.
Useful – less harsh than forcing off the power, or forcing a restart – but I'd hesitate before reboot at the command line, especially if an update is in progress but not evident …
Useful – less harsh than forcing off the power, or forcing a restart – but I'd hesitate before reboot at the command line, especially if an update is in progress but not evident …
Yeah I agree. Wasn't going to suggest it for that reason except OP said this, which I think implies OP has already hard-rebooted it and it has come back on already.