C:\android-sdk>cd tools
C:\android-sdk\tools>adb shell
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
/ # mount /dev/block/mtdblock4 /system
mount /dev/block/mtdblock4 /system
/ # cd /system/app
cd /system/app
/system/app # ls
ls
ADWLauncher.apk GoogleQuickSearchBox.apk
AccountAndSyncSettings.apk GoogleServicesFramework.apk
AndroidTerm.apk HTMLViewer.apk
Androidian.apk LatinIME.apk
ApplicationsProvider.apk LatinImeTutorial.apk
Bluetooth.apk LiveWallpapers.apk
Browser.apk LiveWallpapersPicker.apk
CMParts.apk MagicSmokeWallpapers.apk
CMScreenshot.apk MarketUpdater.apk
CMStats.apk MediaProvider.apk
CMUpdateNotify.apk MediaUploader.apk
CMWallpapers.apk Mms.apk
CMWimaxSettings.apk Music.apk
Calculator.apk NetworkLocation.apk
Calendar.apk OneTimeInitializer.apk
CalendarProvider.apk PackageInstaller.apk
Camera.apk Pacman.apk
CertInstaller.apk Phone.apk
Contacts.apk PicoTts.apk
ContactsProvider.apk Protips.apk
Cyanbread.apk RomManager.apk
DSPManager.apk Settings.apk
DefaultContainerService.apk SettingsProvider.apk
DeskClock.apk SetupWizard.apk
/system/app # rm DeskClock.apk
rm DeskClock.apk