A word List formed a command LS that show contents of home directory like below
$ ls ~
To show everything in a vertical column used like below
$ ls -al
it will show like below
drwxr-xr-x 5 root root 3090 Jun 19 20:39 boot/
drwxr-xr-x 8 root root 4509 Jul 21 09:56 dev/
drwxr-xr-x 94 root root 4096 Jul 12 10:35 etc/
show directories in the current directory
$ ls -d */
show ALL subdirectories
$ ls *