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How to clear/flush DNS cache on Windows?

The question - I need to clear my DNS cache on my Windows 7 machine. What command can I use to do this? In Windows (XP/Vista/7/8), there is a single command that can flush the DNS cache called ipconfig. First, a note on DNS caching: DNS or domain name system provides a way to convert [...]

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The question is - What is an absolute path? How to display the absolute path on Linux and Windows? The absolute path to a file is the path to it from the root directory in Linux and Windows both. On Linux: The absolute path can be displayed using the pwd command. If you pass the [...]

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How to save the output of my program to a file?

The question is - My program outputs several pages of information. I need to save the output of my shell script to a file. Is there a Unix / Linux / Windows command line option that can be used to do this? You can redirect the output of your program using the > operator. The [...]

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Why is Linux case sensitive while Windows is not?

The question is - why is Linux case sensitive while Windows is not case-sensitive? I think this is a design decision. But some users of Linux think that there are other reasons for this. I will explain soon: What does case sensitivity mean? Linux differentiates between file.txt and FILE.txt. It also differentiates between user1 and [...]

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How to find out which DNS server I am using?

The question is - how to find out which DNS servers I am using on my Windows or Linux box? DNS or domain name system is a way to convert domain names like google.com to IP addresses like 8.8.8.8. When you send a request for google.com on a web browser, the web browser asks the [...]

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How to terminate a hung up process on Windows?

The question is - A process on Windows is hung up. It is not responding and I cannot terminate it. Is there a way to terminate this process? I find that this happens to me a lot of times. As an example, I will explain how to terminate the process VAIO Messenger on a Windows [...]

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How to choose between Linux and Windows web hosting?

Linux and Windows are two different operating systems. Linux is almost free, though some commercial distributions charge a small fee. Linux has better community and better support for several applications and scripting languages. As far as speed is concerned, I don't think there will be any significant difference between Linux and Windows. As I said, [...]

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What are some free FTP tools?

FTP or file transfer protocol is a very useful protocol for transferring files between your local computer and your server. FTP works on TCP port 21 and is used to transfer small and large files across the network. FTP has its own set of primitives like get and put if used by the command prompt. On [...]

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How to change to OpenDNS or Google DNS on Windows 7?

OpenDNS and Google public DNS are two options that users have to change their DNS to from their ISP's DNS service. In most cases, the ISP's DNS servers are quite sufficient. However, OpenDNS and Google public DNS sometimes offer a faster DNS resolution. DNS or domain name system is a protocol that allows you to [...]

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How to backup emails on Outlook?

If you use Gmail, Yahoo Mail or Hotmail, chances are that you use something like Microsoft Outlook to download your emails from the server to read them later. Microsoft Outlook is a great tool to download emails from the email server so that you can have your emails on your own personal computer. Outlook has [...]

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