What do you mean by software process improvement

Software process improvement long before the Paras of their process improvement was widely used work with major corporation is an attempt to improve the state of their software engineering practice as a constitution of his experience he wrote a book and tile making software engineering happen in the preface of that book the made the following comment.... what is software process improvement that terms of wear process improvement S P I applied in first it implies that elements of an effective software process can be defined in an effective manners II that and exciting organisational approach to software development can be assistent against these elements and third that a meaningful starter for improvement can be define... is software process improvement for everyone for many years SBI was viewed as a corporate activities a for something that only large companies perform but today is significant percentage of all software development is being performed by companies that employee favour than 100 people