~ URGENT URGENT URGENT ~ whoever gives a proper script will get a Brainliest [please answer asap]
(Linux Coding)
Ques: Create Bash shell script that would let a user make a copy of all the files in a directory

An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid