Q73,p3,J15. Match the following for unix system calls:

List I	List II
A. Exec	I. Creates a new process.
B. Brk	ii. invokes another program  overlaying memory space  with a copy of executable file.
C. Wait	Iii.To increase or decrease the size of data region.
D. fork	Iv. A process synchronize with termination of child.

Codes

                A             B             C             D

A)           ii              iii             iv             I

B)            iii             ii              iv             I

C)            iv             iii             ii              I

D)                        iv             iii             I               ii.

Answer A