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Rundl.exe is an executable file on microsoft windows that performs following steps:

1. Parses the command line.
2. Loads the specified DLL via LoadLibrary().
3. Obtains the address of the function via GetProcAddress().
4. Calls the function, passing the command line tail which is the .
5. When the function returns, Rundll.exe unloads the DLL and exits.”1

To optimizing your computer memory, you could use this command:

rundll32.exe advapi32.dll,ProcessIdleTasks

Tags: optimizing computer memory, poor man’s pc