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2answers
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Difference betwen grep pattern ^$ and ^

I understand that grep matches all the blank lines for the pattern ^$. But what does just ^ means. When I gave grep '^' filename. It matched all the lines. Also grep '' filename matched all the lines ...
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1answer
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How to recover grub after Windows installation

Usually when we install Windows after installing GNU/Linux, we usually lose the Grub. Which is the best way to recover grub when we lost grub or what are the possible different ways.
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1answer
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How to enable TCP connection in Debian Squeeze?

I need enable TCP connections to my system, for use graphical applications in marionnet, network simulation system, in debian squeeze. In older versions of debian it is achieved with ...