If your working directory is empty, LS produces no output, because there are no files to list.
"Debian GNU/Linux: Guide to Installation and Usage"
John Goerzen and Ossama Othman
You might type LS to verify that your new directory exists.
"Debian GNU/Linux: Guide to Installation and Usage"
John Goerzen and Ossama Othman
Try typing LS to verify that there's indeed a file called profile in your working directory, alongside the new mysubdirectory.
"Debian GNU/Linux: Guide to Installation and Usage"
John Goerzen and Ossama Othman