Hello Everyone!I am new to Ubuntu, yet I already spent some time using it and enjoyed it a lot. The forum helped me greatly whenever I had doubts. Unfortunetely, three days ago or so something went really bad and I don't think it is something I can diagnose and fix myself anymore.Please, hear my pray.On my netbook I use Ubuntu 12.04 with Gnome Classic view. From what I recall, last thing I did was updating everything through Update Manager. Since then, my top-bar is entirely black, icons on the right (Bluetooth, Network) are different and lame, with sound icon missing. In general, all icons on the computer are replaced with Blank Sheet Icon except very few, windows are grey, Softwere Center is missing from the [Places] menu. Choosing Displays or System Settings from the top-bar does nothing.I assumed it's a Gnome Shell related problem, so I decided to try and re-install it. And then it struck me.Code:sudo apt-get install --reinstall gnome-shellsudo: apt-get: command not foundI researched it - in general, not founding apt-get was a result of misspelling, not of a more serious problem I believe I have.Any suggestions?P.S. This is my first post here and the issue seems to be pretty heavy-duty one. I am sorry, if the title is misleading - in fact, I just don't know where the problem originates and where to turn to. Please, help! Sending my Best Regards!
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