If you have some applications on your Samsung Galaxy Tab that you no longer want to use then follow the guide below to uninstall apps from Galaxy Tab.
Press Home key and then press Menu key on Galaxy Tab
Tap Applications to manage applications
Tap “Manage applications” option to view all installed applications on Galaxy Tab
Tap the application icon that you want to uninstall
Tap Uninstall and then OK buttons, when uninstall finished tap OK button again.