Grover, Sumit. Question bank UNIX C programming / Sumit Grover. - New Delhi : BPB Publications , 1997. - vii,120p. : ills.,fig.,table ; 24cm . NULL ISBN: 8170298687 Rs. 66.00 Subjects--Index Terms: OPERATING SYSTEM(COMPUTERS) Dewey Class. No.: 005.432UNI / GRO/Q