The method includes executing {HEAD ~ an application program} from {TAIL ~ a plurality} of application programs on an operating system of a personal computer 
from
The method includes executing { HEAD ~ an application program } from { TAIL ~ a plurality } of application programs on an operating system of a personal computer
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH