1. A computer-implemented method for controlling system resources and system security utilizing a user space virtualization program in a user space, the method comprising: retrieving a native code of an application; identifying an instruction sequence from the native code, wherein identifying the instruction sequence includes: (1): if executing the instruction sequence to perform processing is a possible security risk, confirming there is an execute authority for the application; (1-1): if the application has the execute authority for processing, executing the instruction sequence with a processor; (1-2): if the application has no execute authority for processing, not executing the instruction sequence; and (2): if executing the instruction sequence to perform processing is not a possible security risk, executing the instruction sequence with the processor.