access user group date size name drwxr-xr-x root root May 23 2023 <DIR> .. -rw-r--r-- root root Apr 14 2023 1156 kB Bernard.ChPT-review.pdf -rwxr-xr-x root root Apr 14 2023 972 kB Leutwyler.ChPT-primer.pdf -rwxr-xr-x root root Apr 14 2023 1838 kB Leutwyler.on-the-foundations-of-ChPT.pdf -rw-r--r-- root root Apr 14 2023 54 kB rpp2017-rev-su3-isoscalar-factors.pdf