tom@gazelle:~/www/yourls$ ls -l
total 316
drwxrwxr-x 2 tom tom  4096 Aug 25 19:29 admin
-rw-rw-r-- 1 tom tom  3772 Aug 25 19:29 CHANGELOG.md
-rw-rw-r-- 1 tom tom  2278 Aug 25 19:29 CONTRIBUTING.md
drwxrwxr-x 2 tom tom  4096 Aug 25 19:29 css
drwxrwxr-x 2 tom tom  4096 Aug 25 19:29 images
-rw-rw-r-- 1 tom tom    68 Aug 27 20:09 include.php
drwxrwxr-x 6 tom tom  4096 Aug 27 22:53 includes
-rw-r--r-- 1 tom tom 15621 Sep  3 23:35 index.php
drwxrwxr-x 4 tom tom  4096 Sep  2 22:05 infinity-squared
drwxrwxr-x 2 tom tom  4096 Aug 25 19:29 js
-rw-rw-r-- 1 tom tom 36168 Aug 25 19:29 LICENSE.md
drwxrwxr-x 2 tom tom  4096 Aug 25 19:29 pages
drw-r--r-- 5 tom tom  4096 Sep  3 23:54 public
-rw-rw-r-- 1 tom tom 37357 Aug 25 19:29 readme.html
-rwxrwxr-x 1 tom tom   606 Sep  2 23:00 README.md
-rw-rw-r-- 1 tom tom   356 Aug 25 19:29 sample-public-api.txt
-rw-rw-r-- 1 tom tom  5382 Aug 25 19:29 sample-public-front-page.txt
-rw-rw-r-- 1 tom tom  1531 Aug 25 19:29 sample-remote-api-call.txt
-rw-rw-r-- 1 tom tom   132 Aug 25 19:29 sample-robots.txt
drwxrwxr-x 4 tom tom  4096 Aug 25 19:50 user
-rw-rw-r-- 1 tom tom  1535 Aug 25 19:29 yourls-api.php
-rw-rw-r-- 1 tom tom  1265 Aug 25 19:29 yourls-go.php
-rw-rw-r-- 1 tom tom 19899 Aug 25 19:29 yourls-infos.php
-rw-rw-r-- 1 tom tom  2189 Aug 25 19:29 yourls-loader.php

tom@gazelle:~/www/yourls$ cd public
bash: cd: public: Permission denied

tom@gazelle:~/www/yourls$ ls -l public
ls: cannot access public/style.css: Permission denied
ls: cannot access public/config.php: Permission denied
ls: cannot access public/img: Permission denied
ls: cannot access public/js: Permission denied
ls: cannot access public/formalize.css: Permission denied
ls: cannot access public/languages: Permission denied
ls: cannot access public/CHANGELOG.md: Permission denied
total 0
-????????? ? ? ? ?            ? CHANGELOG.md
-????????? ? ? ? ?            ? config.php
-????????? ? ? ? ?            ? formalize.css
d????????? ? ? ? ?            ? img
d????????? ? ? ? ?            ? js
d????????? ? ? ? ?            ? languages
-????????? ? ? ? ?            ? style.css