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The KDE desktop environment provides many features and applications. However, it is hardware intensive and may run slowly on a computer with an older processor or a small amount of RAM. Figure 5.3a shows a screenshot of KDE4 running on PC-BSD 9.0 with the Applications menu open:
Figure 5.3a: Applications Menu of KDE4
Each category in the Applications menu contains many applications and the Settings and System categories contain many utilities for configuring your system. If you are new to KDE4, take some time to discover which applications best suit your needs. Some of the applications which are provided by KDE4 include:
- Gwenview: image viewer found in Graphics -> Image Viewer.
- Digikam: photo managment program found in Graphics -> Photo Management Program.
- Okular: document viewer and annotator found in Office - Document Viewer. Supports PDF, OpenOffice, and Postscript files.
- Dolphin: file manager found in System -> File Manager. Dolphin provides many features for manipulating files such as comments, tags, search, encryption, and dealing with zipped archives.
- Device Notifier: if you hover over this icon it will show you any inserted media (e.g. a USB thumb drive or a DVD) as well as any recognized filesystems (e.g. a FAT32 filesystem from a Windows installation on a dual-boot computer). A pop-up menu will appear over device notifier when a media is inserted. If you click device notifier, you can access the media or eject it as described in the Multimedia section.
- Show the Plasma Dashboard: if you click this icon a small item labeled "Widget Dashboard" will appear at the top of your screen and your panel will temporarily disappear. If you right-click this item, a pop-up menu will appear that allows you to configure icons, widgets, panels, and activities. The Plasma Guide can get you started with these configurations, but you will probably find that some experimentation will let you discover the features that you are interested in. When you are finished, click the red X to close the widget dashboard and return to the panel.
- Klipper: is a utility that keeps a history of your latest cuts/copies so that you can paste them. Right-click the icon to view your history; if you click on a history item it will allow you to paste it. You may want to review the "Configure Klipper" menu item as it allows you to set the size of the history. If you want to paste images as well as text, uncheck the "Text selection only" box while in the "Configure Klipper" menu. The Help menu option will open the Klipper Handbook where you can learn more about using Klipper.
- KMix: click this icon to see a bar that lets you increase/decrease the sound level. It also provides a Mixer button which you can click to configure your audio channels. If you press F1 while in KMix, it will open the KMix Handbook which shows you how to use this utility.
- KOrganizer: is KDE's organizer utility and reminder daemon. If you double-click this icon, you can view a calendar and create reminders, events, and to-do lists. Pressing F1 while in this menu will open a comprehensive KOrganizer Handbook so you can learn how to get the most out of this utility.
- Trash: if you delete a file in Dolphin, it isn't deleted immediately. Instead, it is stored in the trash can. Your trash can icon will change slightly if there are items in it. If you hover over the icon, it will tell you how many items are in the trash can. Right-click the icon to open or empty the trashcan or to modify its settings. Note: if you delete a file at the command line it does not go to the trash can; instead it is immediately deleted.
- Panel Tool Box: if you click or right-click this icon, you can add or lock widgets, add or edit the panel, add spacers or change the size of the panel, or access even more settings. This page can get you started; again, you will want to experiment to see what features/settings you like.
Note: should you delete the original panel, you will have to manually re-add all of its icons and widgets if you decide to create another panel.
KDE Applications: includes descriptions and screenshots of all of KDE's applications as well as links to their Handbooks.