Unix/Linux

Part 2. Fill in the answer to the question. 8. What is the difference between CTRL-D and CTRL-C? 9. Assume the contents of a file named first script are the following series of shell commands first_script is a shell script): ps -ef A. If you want to source a file named first script (source first script or first script), what permission(s) is/are needed? B. If you want to run (execute) first _script, what permission(s) is/are needed? C.Wch process eeehets when you source a seript D. Which process executes the contents when you execute the script by calling its name