Replicate update-manager at the terminal

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http://askubuntu.com – I would have thought that the graphical update-manager could be reproduced from the terminal commands: sudo apt-get update sudo apt-get upgrade -y sudo apt-get dist-upgrade -y yet I can run these commands at the terminal and despite seeing lots of things get upgraded then open the gui update-manager immediately afterwards and see that it has a list of updates it wants me to apply. Why is this? For example today sambda nameserive integration server, command line SMB/CIFS clients for Unix, ......etc are all queued in gui update-manager despite minutes before running the three terminal comma (HowTos)