Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Anju bala
Meaning of Concatenation: A group of things linked together or occurring together in a way that produces a particular result or effect. \n following are the different types of concatenation:: Partitioned concatenation: A partitioned concatenation can contain a mixture of PDSs, PDSEs, and UNIX directories. Each PDSE is treated as if it had one extent, although it might have multiple extents. You can use partitioned concatenation only when the DCB is open for input. Sequential concatenation: Sequential concatenation consists of treating multiple sequential data sets