Need help with questions 46-49. Thank you

45. -1x main.cpp and if necessary simplecompile. sh so you do not get any memory leak warnings or style warnings. Use nano as your tex editor 46. Print main.cpp on the standard output 47. Display main.cpp in the standard output waiting for a key at the end of each page and with the ability to go back pages 48. Display the time it takes to execute sleep 1 in terms of total time elapsed and the time consumed by system overhead 49. The full path for the executable for ls located