The default value should be sufficient for most users’ needs. The higher the number, the more memory the History panel requires. This can affect performance and slow your computer down significantly. When the History panel reaches this maximum number of steps, the earliest steps are discarded.

The History panel keeps track of every step of your work in Dreamweaver. You can use the History panel to undo multiple steps at once.This command also clears all undo information for the current document; after choosing Clear History, you will be unable to undo the steps that are cleared. (Note that Clear History does not

several ways to create hypertext links to documents, images, multimedia files, or downloadable software. You can establish links to any text or image anywhere within a document, including text or images located in a heading, list, table, layer, or frame.

There are several different ways of creating and managing links. Some web designers prefer to create links to nonexistent pages or files as they work, while others prefer to create all the files and pages first and then add the links. Another way to manage links is to create placeholder pages, which stand in for the final file and let you add links quickly and check them before you have actually completed all the pages. For more information about checking links, see Checking for broken, external, and orphaned links.

Client-side image maps store the hypertext link information in the document--not in a separate map file as server-side image maps do. When a site visitor clicks a hotspot in the image, the associated sent directly to the server. This makes client-side image maps faster than server-side image maps, because the server does not need to interpret where the visitor clicked. Client-side image maps are supported by Netscape Navigator and later versions, and all versions of Internet Explorer.

Dreamweaver does not alter references to server-side image maps in existing documents; you can use both client-side image maps and server-side image maps in the same document. However, browsers that support both types of image maps give priority to client-side image maps. To include a server-side image map in a document, you must write the appropriate code.