What is the difference between the various Record Type?

It would take pages to give a detailed explanation of the various Resource Record Type for a domain name. Below is a brief description of each Record Type:

A (Address) Using this type of record allows you to point a hostname to an IP address. An IP Address is a unique string of numbers, usually shown in groups separated by periods (e.g., 123.123.123.123), that identifies a computer connected to the Internet. For example, you could have the host record for www point to 207.46.130.14 (the address for the Microsoft web site).
URL Redirect URL Redirect is the standard method for URL Forwarding. When the visitor types in your domain name they are redirected to the web server that your page is hosted on. The only drawback of this method is that your visitors will see the actual web address in their browser's Address or URL box (eg, http://www.yourisp.com/homepage/~youraccountname), instead of your domain name. If this is a problem you can use the URL Frame method.
URL Frame URL Frame is similar to URL Redirect except that instead of redirecting the visitor to your web page, the web page is displayed in a frame from our web server. With this method the visitor's browser will display your domain name (for example: www.mydomain.com) while they are visiting your site and not the actual URL of your web page.
Note: If you use this method of forwarding, you will want to put the 'target="_top"' attribute into any links you have that leave your page.
CNAME (Alias) Canonical Name records (CNAME) act as aliases for the hostnames they are attached to. It takes on the web setting and MX record of their assigned hostname. CNAMEs can be attached to hostnames within the same domain but they don't have to be. For example, you could have the host record for www point to www.microsoft.com. Important: When you use a domain in the Address field for a CNAME Record Type, you must add a trailing period ("."). Unless you do so the name server will add your domain to the end of the domain given.

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Ký tự viết tắt trong chat & email

AAK Alive And Kicking AAR At Any Rate AAS Alive And Smiling ADN Any Day Now AFAIK As Far As I Know AFK Away From the Keyboard AFN that's All For Now AOTA All Of The Above a/s/l or asl Age/Sex/Location - (used to ask a chatter their personal information) AV Avatar - Graphical representation (a picture) often used in chat rooms to depict a person that is in the room and chatting. b4 Before BAK Back At Keyboard (I'm back) BBL Be Back Later BBS Be Back Soon BCNU I'll Be Seeing You. b/f Boyfriend (also shown as bf, B/F, or BF) BEG Big Evil Grin BFN Bye For Now BMA Bite My A** (became popular with the Simpson's cartoon show) boot To get kicked out of a chat room, or have to restart the computer because you couldn't talk in the chat room anymore. BR Best Regards BRB Be Right Back BRH Be Right Here BSEG Big S**t Eatin Grin BTA But Then Again.... BTW By The Way btw BeTWeen you and me ... chat room A web page where peopl
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dung lượng RAM lớn nhất mà HĐH cấu trúc 32-bit nhận được

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dung lượng RAM lớn nhất mà HĐH cấu trúc 32-bit nhận được 1Gb =1024MB 1Mb=1024Kb 1Kb=1024byte 1byte=8bit Như vậy 1Gb ram sẽ có chứa số bit là 2^10 x 2^10 x 2^10 x 2^3 = 2^33 bit. 4Gb ram sẽ là 2^2 x 2^33 = 2^35 bit. Vậy với 4Gb ram sẽ có 2^35 địa chỉ ô nhớ . Trong khi đó win 32 bit chỉ hỗ trợ max là 2^32 bit địa chỉ ô nhớ. Chính vì sự chênh lệch này mà nó sẽ ko thể nhận đủ 4Gb ram khi hoat động. Win 64bit thì support vô tư vì nó có thể xử lí được đến 2^64 địa chỉ ô nhớ Due to fallout from a recent computer catastrophe at work, I had the opportunity to salvage 2 GB of memory. I installed the memory in my work box, which brings it up to 4 gigabytes of RAM-- 4,096 megabytes in total. But that's not what I saw in System Information: Only 3,454 megabytes. Dude, where's my 4 gigabytes of RAM? The screenshot itself provides a fairly obvious hint why this is happening: 32-bit Operating System . In any 32-bit operating system, the virtual address space is limited, by definiti
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Ubuntu LAMP Server

Get this content from link http://www.zaphu.com/2007/08/07/ubuntu-lamp-server-setup-guide-with-desktop-gui/ Step 1: Install Ubuntu Server Edition with LAMP server components. Download the disk image (*iso) for Ubuntu Server Edition (currently version 8.04 Hardy Heron) and burn it to a CD. Ensure that your BIOS is configured to boot from the CD-ROM drive. Restart with the Ubuntu disk in the drive and the machine should boot into the Ubuntu installation shell. If you would like to configure a static IP address, select F6 - Other Options and enter netcfg/disable_dhcp=true at the end of the options string, and the install script will prompt you for network information during the installation. Otherwise, the static IP must be configured post installation as per the second part of step 2 below, and your network will be automatically configured using DHCP (as long as DHCP is enabled on your router). In either scenario, you must enter a hostname when prompted. As you work through the installat
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