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setting up Unity desktop env

enable alt-right-click to resize windows,

    sudo apt install compizconfig-settings-manager
    ccsm
    window management > resize window button2->button3

tune the launcher for multi-screen,

settings > appearance / look
reduce launcher icon size

settings > appearance / behaviour
enable workspaces
add show desktop icon to the launcher
show the menus for a windows: in the menu bar
menus visibility: always displayed

disbale screen lock after 5 minutes into the System Settings,

settings > brightness & lock
lock: off

tune your keyboard shortcuts e.g.,

settings > keyboard
windows / maximize with Alt+Up
windows / restore with Alt+Down
windows / minimize with Alt+Page Down
windows / close with Alt+Q

show the system icons on the destkop,

sudo apt-get install unity-tweak-tool
unity-tweak-tool 
e.g. increase launcher transparency
desktop icons...

Ref. http://askubuntu.com/questions/581197/my-desktop-icons-not-appearing