You can install Tree in Linux using the following command, depending on your distribution:
For Debian and Ubuntu-based distributions:
sudo apt-get update
sudo apt-get install tree
For Red Hat, CentOS, and Fedora-based distributions:
sudo yum install tree
For openSUSE-based distributions:
sudo zypper install tree
These commands will install Tree and its dependencies on your Linux system. Once installed, you can use the tree command in your terminal to display the directory tree structure of the current directory or any other directory you specify.