What is thrashing?
It is a phenomenon in virtual memory schemes when the processor spends most of its time swapping pages, rather than executing instructions. This is due to an inordinate number of page faults. 15. List the Coffman’s conditions that lead to a deadlock. > Mutual Exclusion: Only one process may use a critical resource at a time. > Hold & Wait: A process may be allocated some resources while waiting for others. > No Pre-emption: No resource can be forcible removed from a process holding it. > Circular Wait: A closed chain of processes exist such that each process holds at least one resource needed by another process in the chain.
