$ ls
index.js node_modules
$ ls -a
. .. index.js node_modules
$ ls -al
total 16
drwxrwxr-x 3 james58899 james58899 4096 Feb 26 14:14 .
drwxr-xr-x 15 james58899 james58899 4096 Mar 12 13:12 ..
-rw-rw-r-- 1 james58899 james58899 534 Feb 26 14:14 index.js
drwxrwxr-x 63 james58899 james58899 4096 Feb 26 13:20 node_modules
$ ls -alh
total 16K
drwxrwxr-x 3 james58899 james58899 4.0K Feb 26 14:14 .
drwxr-xr-x 15 james58899 james58899 4.0K Mar 12 13:12 ..
-rw-rw-r-- 1 james58899 james58899 534 Feb 26 14:14 index.js
drwxrwxr-x 63 james58899 james58899 4.0K Feb 26 13:20 node_modules