The ls command: using the -a flag to allow hidden files, and the -R command for recursive directories.

ls -aR /home/username/

It will be a long scroll in your terminal, you might want to save it to a file.

ls -aR /home/username/ >filename.txt

Most info like this can be obtained by using the man file. In a terminal type "man ls" and you can see all the options.

you can also use 'tree' - but in most distros its not installed by default