The Tracker, as many other applications in Zeta, makes use of add-ons.
In Firefox for instance, add-ons are called extensions. Zeta it
self supports add-ons through out the system. The translator
system is built up with a various of different file format translators
for both text and images. Both the desktop
and Tracker provide access to your
system's add-on through their context menus, as explained in The
Desktop Context Menu.
Tracker Add-ons
Tracker add-ons are applications that can perform operations on
individual files or on a set of files. Tracker add-ons are loaded
by context. A set of add-ons are always loaded, but others will
only appear as an option when you can make use of them. The Add-on
DirLiser will only appear when you are working with a directory/folder.
The Tracker add-ons are stored that comes with Zeta are stored
in the following directory: /boot/beos/system/add-ons/Tracker.
We recommend that you store your add-ons in an other directory:
/boot/home/cofig/add-ons/Tracker.
Zeta comes with several add-ons, including:
Backgrounds
The Backgrounds
add-on comes handy when you want to set a background picture for
a folder or for the Desktop.
Crypt-O-Matic
The Crypto-O-Matic
application comes with an add-ons, so that you can encrypt and decrypt
direct from the Tracker, without having to first start the application.
FileTypes
The FileTypes
add-on lets you change the preferred application for a single file,
instead of changing the preferred application for a specific file
format system wide.
Squeezer
Summon
Summon is an add-on that lets you easily access the Terminal
from any location on your system. It also automatically sets your
working location and not home.
Thumbnailer
An add-on
that you fast will learn to appreciate is the Thumbnailer.
This small tool makes a thumbnail out of a chosen picture or pictures.
From the screenshot you can see that all pictures in the folder
has been converted to thumbnails. As digital cameras have become
more and more common, people are now taking lots of pictures and
storing them on their computer. Therefore most operating systems
today has support for thumbnails view, as it is consider as one
of the best ways of keeping track of pictures, so also Zeta.
In the Tracker settings
you can set the size of the thumbnails.

Zip-O-Matic
Zip-O-Matic is probebly the most commonly used Tracker
Add-On.
This Add-On tool is used to both compress and archive multiple
files in to one single file.
To use it, you simply highlights the files and folders that you
want to turn in to a compressed zip file, and then right-click the
mouse to open the Tracker's context menu. From this menu you first
choose Add-Ons and then Zip-O-Matic. The application's
window will now appear and you can drag and drop the chosen files
on to it and then start the process of zipping them.

The zipped file will appear in the same folder as the files and
folders that you compressed.
***
There are a number of third-party add-ons available from BeBits
(http://www.bebits.com/browse/29)
for doing such things as viewing archives, expanding and compressing
files, viewing file attributes, searching file contents, and so
on.
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