By A Web Design
Log in to the Admin end of Joomla1.5. You will see a screen as shown in Diagram 1.

Diagram 1
Click on the Add new Article icon in the Control Panel or click on Content -> Article Manager in the top menu as shown in Diagram 2.

Diagram 2
Once Article manager opens, you will see several articles listed in as shown in diagram 3. To Edit a specific article simply Click the article’s link. Alternatively Select the Check box against a specific article and click the Edit icon in the tool bar. When in article Edit mode you can modify an article's title, content, and a host of other things.
To create a new article Click on the New icon as shown in Diagram 3.

Diagram 3
You can now start creating a New Article as shown in Diagram 4. The following information can be filled in for the new article.
Title: The Title for the article. This may or may not display on the page, depending on the parameter values you choose.
Published: Whether or not the article is published. Select Yes or No from the radio button group to set the Published state for this item. If this attribute is set to Yes the article will appear in the website if set to No the article will not appear in the website.
Alias: The internal name of the article. Normally, you can leave this blank and Joomla will fill in a default value. The default value is the Title or Name in lower case and with dashes instead of spaces. You may enter the Alias manually. The Alias should consist of lowercase letters with no blank spaces. You can use a hyphen (-) to indicate blank spaces. The Alias will be used in the URL when SEF is activated.
Front Page: Select Yes or No from the radio button group to indicate whether this Article will be shown on the Front Page (i.e. The index page) of the website or not.
Section: Select the Section for the Article from the drop-down list box. Note that you can select Uncategorized if you do not want this Article associated with a Section or Category. This can be used for Articles that are displayed in an Article Layout as static content.
Category: Select the Category for the Article from the drop-down list box. If you selected Uncategorized for the Section, the Category list box will automatically display Uncategorized.
Once done you can save the article by clicking the Save icon in the top right hand corner.

Diagram 4
To Preview the article Click the Preview icon in top right hand corner. The title of the article is displayed as a menu item as shown in Diagram 6.
This article has been created under the Section and Category as shown in Diagram 5.

Diagram 5

Click the menu item Book and the article will be displayed in the Browser as shown in Diagram 7.

Diagram 7
In order to Archive/Unarchive the article, Select the Article(s) Check box and the click on the Archive/Unarchive icon at the top-right hand corner as shown in Diagram 8 and Diagram 9.

Diagram 8
Diagram 9
In order to Publish/Unpublish the article, Select the Article(s) Check box in front click on the Publish / Unpublish icon at the top-right hand corner as shown in Diagram 10 and Diagram 11.

Diagram 10
Diagram 11
In order to delete the article from Article Manager, Select the Article(s) Check box and click on the Trash icon at the top-right hand corner as shown in Diagram 12.

Diagram 12
In order to copy an article to any other section/category, Select the Article(s) Check box and click on the Copy icon at the top-right hand corner as shown in Diagram 13.

Diagram 13
Select the particular section/category in which the article is to be copied from the given list as shown in Diagram 14.

Diagram 14
Click on the Save icon at the top right hand corner.
The article would be successfully copied to that section/category as shown in Diagram 15.

Diagram 15
The article is copied to a particular section and category as shown in Diagram 16.

Diagram 16