All Questions(ubuntu)

How can I check my current Ubuntu version through the command-line and GUI?

how to display the actual network traffic (wireless) in a terminal?

Additionally: Is it possible to add this info to the chart of top?

I'm absolutely new to Linux. I would like to know how to install Ubuntu alongside the pre-installed Windows 8+ OS.

Should I do it with Wubi, or through the Live USB/DVD?

What steps do I need to take to correctly install Ubuntu?

I am getting this message every time I do something like starting or stopping a service.

perl: warning: Setting locale failed.   
perl: warning: Please check that your locale settings:   
        LANGUAGE = "en_US:en",   
        LC_ALL = (unset),   
        LC_MESSAGES = "en_US.UTF-8",   
        LANG = "en_US.UTF-8"   
    are supported and installed on your system.   
perl: warning: Falling back to the standard locale ("C").   
locale: Cannot set LC_CTYPE to default locale: No such file or directory   
locale: Cannot set LC_MESSAGES to default locale: No such file or directory   
locale: Cannot set LC_ALL to default locale: No such file or directory   
(Reading database ... 21173 files and directories currently installed.)  
Removing bind9 ...  
 * Stopping domain name service... bind9                                        [ OK ]
Processing triggers for man-db ...   
locale: Cannot set LC_CTYPE to default locale: No such file or directory   
locale: Cannot set LC_MESSAGES to default locale: No such file or directory   
locale: Cannot set LC_ALL to default locale: No such file or directory   

How do I fix this error ?

When I login, nothing happens.

I am presented with my desktop wallpaper.

No Dash, no Launcher, nothing.