On Linux and Unix systems, which of the following will set the DB2_FMP_COMM_HEAPSZ registry variable to
1 GB (or 256000 pages), only for the instance db2inst1?

A.
As the db2 instance owner (db2inst1) execute the command:
export DB2_FMP_COMM_HEAPSZ=256000

B.
Add to the following line to the userprofile (db2inst1): DB2_FMP_COMM_HEAPSZ=256000

C.
As the db2 instance owner (db2inst1) execute the command:
db2set –i DB2_FMP_COMM_HEAPSZ=256000

D.
As the db2 instance owner (db2inst1) execute the command:
db2set –i db2inst1 DB2_FMP_COMM_HEAPSZ=256000