By A Web Design
To manage categories in Joomla 1.7, login to the Joomla 1.7 website as administrator, by simply entering the url_of_your_website/administrator in your Browser. Enter the appropriate username and password {which was provided while installing Joomla 1.7 } and then click on Log in as shown in Diagram 1.

Diagram 1
After logging in as Joomla 1.7 Admin, a Control Panel page opens as shown in Diagram 2.
The Control Panel provides access to many default Joomla! functions and features. From the Control Panel, you can create and manage articles and categories. Other features available in the Control Panel are the media, menu, language, and user managers.

Diagram 2
In the top menu, locate the link the Content. Click on Content. From the drop down menu that appears click on Category Manager as shown in Diagram 3.
OR
Click on Category Manager in the Control Panel.

Diagram 3
The Category Manager screen opens. This is where you can create new categories or edit existing categories.
Click on New at the top-right hand corner to create a new category as shown in Diagram 4.

Diagram 4
Enter the following details for the category as shown in Diagram 5. The following are the list of options provided:
Title: Enter the title for the category. This may or may not display on the page, depending on the parameter values you choose.
Alias: Enter the internal name of the category. 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.
Parent: The item (category, menu item, and so on) that is the parent of the item being edited.
Status: Select the status of the item. The options provided are:
Access: This determines who can access this category. The options are:
Permissions: You can set category permissions by clicking on Set Permissions.
Language: Set a language for this category.
Description: Enter the description for the category. Category descriptions for Articles may be shown on web pages, depending on page parameter settings. The description is entered using the same editor that is used for Articles. NOTE: Category descriptions may not be edited from the front end.

Diagram 5
On the right hand side, set the following parameters for the category.

Diagram 6
Diagram 7

Diagram 8
This section is where you can view and edit permissions for items that are part of this category as shown in the Diagram 9. You can view the category permissions by clicking Set Permissions. The left hand side represents the user groups of your Joomla site, while the right hand side displays permissions for the currently selected group:
Action: The various actions for the currently selected user group. they are as follow:
Select New Setting. The permission you want to apply for a given action. Possible values are:

Diagram 9
Click on Save and Close as shown in Diagram 10, in order to save the category and close the edit screen.
You can either click on Save, in order to save the category data updated and stay on the editable screen.

Diagram 10
“Category successfully saved” message will be displayed as shown in Diagram 11.

Diagram 11
Verify that category is created and is present in the list of categories as shown in Diagram 12.

Diagram 12
To unpublish a category, select the checkbox adjacent to category you want to Unpublish as shown in Diagram 13.

Diagram 13
OR
After selecting the checkbox adjacent to category, click on Unpublish at the top right hand corner as shown in Diagram 14.
Diagram 14
The category will be successfully unpublish as shown in Diagram 15. The red colored circle indicates that the item is unpublished.
Diagram 15
To publish a category select checkbox adjacent to the category you want to publish and either you can click on the red colored circle as shown in Diagram 16.
Diagram 16
Or, click on Publish at the top right hand corner or as shown in Diagram 17.
Diagram 17
“1 category successfully published” successful message will be displayed as shown in Diagram 18.
Diagram 18
To move/copy a Category, select the checkbox adjacent to the category that has to be moved/copied.
In Batch process the selected categories, Select Categories for Move/Copy from the drop down list. After selecting the categories, set the radio button to Copy and click on Process as shown in Diagram 19.
OR set the radio button to Move and click on Process as required.
Diagram 19
A new category will be added to the selected category as shown in Diagram 20.
Diagram 20
To edit a category, select the checkbox adjacent to the category that has to be edited and click on Edit as shown in Diagram 21.
Diagram 21
The Edit An Articles Category window will open.
Edit details and then click on Save and Close as shown in Diagram 22, in order to save the category and close the edit screen.
You can click on Save, in order to save the updated category data and stay on the edit screen.
Diagram 22
To delete a Category select the checkbox adjacent to the category that has to be deleted as shown in the Diagram 23.

Diagram 23
Then click on Trash as shown in Diagram 24.
Diagram 24
“One category successfully trashed” message will be displayed as shown in Diagram 25.
Diagram 25