Hypertext Markup Language (html) is the type of code used to create web pages.
Examples of this code are:

<b>bold </b> = bold
<i>italics</i> =  italics
<a href="http://snhu.edu"> a link</a> = a link

html code for this sentence looks like this:

<a href="http://en.wikipedia.org/wiki/Html">html code</a><b> </b>for this <i>sentence </i><b>looks </b>like <font size="4">this</font>: 

More info about html at:

• Wikipedia article about html
• Bare Bones Guide to html

html can can be writen diectly with a text editor or can be generated by an html editor is provides a 'wysiwyg' interface.

Some common html editors are:
Open Source and/or free

• Kompozer
• Seamonkey

Commercial

• Front Page
• Dreamweaver

html files usually have an ( .htm or .html ) file extension .  These files can be uploaded from an author's computer to a web server using an FTP program or the publish function of some html editors.