My router configured by ISP tech and it is set to get DNS server address automatically from upstream. Is there is a way to find out the IP address of the dns server used by my router which is located at Is there Linux, Unix, Apple OS X, or MS-Windows command that I can use get the same information?


How can I convert newline [ line break or end-of-line (EOL) character ] between Unix and Windows text files?

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I wish I had access to one of those nifty UNIX command-line tools under MS-Windows Vista or XP operating systems. How do I access UNIX command line utilities under Windows with out using virtualization?


How do I securely transfer files from one UNIX / Linux server to another UNIX server using Windows or Linux desktop clients without using ftp client?


How do I use nslookup command line administrative tool for testing and troubleshooting DNS servers including reverse lookup under UNIX or Windows operating systems? How do I look up an IP address of a domain or host on a network using nslookup command?


The default Firefox comes with certificates from well-known commercial CAs. My ISP is also CA and Firefox cannot verified it because the CA is not recognized. How do I force Firefox to accept my ISPs certificate?