Com in the domain name of an internet organization means "commercial organization". ".com" is a generic top-level domain on the DNS for use by commercial organizations; its name is derived from the English word "commercial", indicating the original intention of registering this domain name by a commercial organization.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
Domain name (English: Domain Name), also known as a network domain, is the name of a computer or computer group on the Internet consisting of a string of names separated by dots. It is used to identify computers during data transmission. location identifier (sometimes also referred to as geographical location).
The generic top-level domain was created in January 1985. At that time, there were 6 generic top-level domains, mainly for use in the United States:
.com- for commercial use, but Unlimited is the most commonly used and is familiar and used by most people
.net- January 1985, originally used by network service providers, now unlimited
.org - January 1985, originally for use by organizations that did not fall into other gTLD categories, now unrestricted
.edu/.gov/.mil- In January 1985, for US educational institutions/US government agencies/US military agencies. Due to historical issues, it is generally only used in the United States.
.com is a general top-level domain (gTLD) on the Internet's DNS. Its name is derived from the English word "commercial", indicating the original intention of registering this domain name by a commercial organization. However, with unlimited registration available for .com, .org and .net, there will ultimately be no difference.
.com was originally managed by the U.S. Department of Defense and is now managed by VeriSign.
When the DNS was established in January 1985, .com was one of the top-level domains, along with .arpa, .edu, .gov, .mil, .net and .org. Today, .com has grown into the largest top-level domain. The opening of
.com registration coincided with the commercialization and publicization of the Internet, and .com quickly became the most popular top-level domain on the Internet. Many companies started between 1997 and 2001 (a period known as the "Internet Bubble") had inappropriate site names; they became known as dot-coms.
Although any company in the world can register a .com domain name, most countries (excluding the United States) usually add sub-domains with similar purposes to .com in their country and region top-level domains. These sub-domains have the following forms: .com.xx or .co.xx, where xx represents the country and region top-level domain. For example: Australia (.com.au), United Kingdom (.co.uk), Brazil (.com.br), Mexico (.com.mx), New Zealand (.co.nz), China (.com.cn), Japan (.co.jp), South Korea (.co.kr), Israel (.co.il), Pakistan (.com.pk), Hong Kong (.com.hk), India (.co.in).
Most non-commercial web pages, such as web pages created by non-profit organizations or governments, will also use the .com URL. However, some are contrary to the original purpose of the domain name. For these pages, .gov and other designated top-level domains may be more suitable. In any case, it is very common for websites to register a .com domain name in order to save the .com and prevent scams. The original purpose of many top-level domains has become irrelevant because there are no registration restrictions.
Registration is handled through an ICANN-accredited administrator; generic URLs are also allowed.
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