Linux command problem, please help thank you!

Chapter X Exercise 07: midLS Exercise 07 midLS Turn-in directory: er07/ Files to turn in: midLS Allowed functions: None Notes: a/a In a midLs file, place the command line that will list all files and directories in your current directory (except for hidden files or any file that starts by a dot - yes, that includes double-dots), separated by a comma, by order of creation date. Make sure directories' names are followed by a slash character. Vhat bas not been aaked for should not be done! 15