how do i write this in shell script, ubuntu linux For this exercise we will create a startup script. This scriptwill start the VI editor. You can use any kind of patterns, but itsalways recommended to use case statement, when you’re testing onvalues of primitives. (ie. integers or characters). You will call your script startapp and it will take oneparameter. The parameters should be start, stop and restart. start: You must start VI as a background process so you canstill have a shell stop: You will need to use the kill command to kill the VIprocess restart: First your script with kill the vi process, after thatit will start a new instance of vi . . .