By thw way Thanks N_I,
I chnaged minorchnage
db2 list applications | awk 'NR>4 {print "db2 \"force application(" $3 ")\"";}'
But I need to trim extra line in the bottom from given bellow
db2 "force application(315)"
db2 "force application(314)"
db2 "force application(312)"
db2 "force application()"