Install directory tree to see directory structure in linux, if not installed previously.

sudo yum install tree

• Run the tree command without any arguments

  tree

• View all directories

  tree -L 1 /

  here, L indicates maximum depth of displaying directory tree

• List the files of the specific directory

  tree /home

• To list hidden files of etc directory

  tree -a /etc

• To view list in color format

  tree -C /etc

• List only the directories using -d parameter

  tree -d /home