Swiss Manager is a free system utility for Symbian UIQ3 devices like P990i/W950/M600i. It contains a free task manager, file manager and system information services. Thanks to the author for releasing this as a freeware.

Features of this app are:

-Management of running programs (task information, task switch, task exit)
-Release memory by exiting all running programs at once, optionally when closing the flip
-Navigation throughout the phone’s drives and their entire file system
-File management (copy, move, delete, rename)
-Displaying the amount of free memory and disk space
-Useful system information (device characteristics, system uptime, battery level, IMEI number, etc.)