In HTML document the tags are

The style attribute specifies an inline style for an element. The style attribute will override any style set globally,

e.g. styles specified in the <style> tag or in an external style sheet.

Free command displays memory usage in linux.

Web standards are rules and guidelines established by the World Wide Web Consortium ( W3C ) developed to promote consistency in the design code which makes up a web page.

W3C is an international community of member organizations created in 1994 that articulates web standards so that websites look and work the same in all web browsers.

Its mission is to lead the World Wide Web to its full potential.

HTML Tag  is used to make a text italic.

Webpages are written using HTML, (Hyper Text Marup Language). It is used for creating web applications that can be accessed over internet which contain text, graphics and hyperlinks.

HTML language is a set of markup tags. The code used to specify the formatting are called tags. Markup languages are designed for the processing, definition and presentation of text. The language specifies code for formatting, both the layout and style, within a text file. 

HTML is an example of a markup language to improve the appearance of, and link text with data on the internet.

Website always has an address whether it has images, any information or any attchments in it or not but it must has an address. 

A world wide web contains web pages residing in many computers linked together using HTML.