# Photon OS Introduction
- [Introduction](introduction.md)
- [Examining the Packages in the SPECS Directory on Github](examining_packages_spec_dir.md)
- [Looking at the Differences Between the Minimal and the Full
Version](differences_between_minimal_and_full_version.md)
- [The Root Account and the `sudo` and `su`
Commands](root_account_and_sudo_commands.md)