User need to make a database based on the program using sql and pass on that database to the program(change the name of database )
Linux program to stimulate fork a parent and child process and to show concurrency in parent and child process
/ \
p c1
/ \ / \
p c2 c1 c3
/ \
c2 c4
process working concurrently are p,c2,c4,c1and c3