/android-sdks/platform-tools$ ./adb shell ls -l /preinstall
drwxr-xr-x root     root              2011-08-23 23:12 app
-rwxrwxrwx root     u0_a115    527992 2012-09-30 19:20 hijack
-rwxrwxrwx root     u0_a115      1251 2012-09-30 19:20 hijack.killall
drwx------ root     root              2011-08-23 23:13 lost+found
drwxr-xr-x root     root              2011-08-23 22:51 md5
-rw-rw---- root     root           12 1970-01-01 19:04 resized
-rwxrwxrwx root     u0_a115    252000 2012-09-30 19:20 update-binary
-rwxr-xr-x root     u0_a115   1739421 2012-09-30 19:20 update-recovery.zip