Show files and directories in a tree

tree

This command shows a graphical representation of the current sub-directories.

ls -R | grep ":$" | sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/   /' -e 's/-/|/'mand

Original Article

You can create a directory tree using just one command in Linux

mkdir -p /tmp/dir1/dir2