An is essentially a "disc image." Think of it as a complete digital copy of an installation DVD. When you download a Linux Mint ISO, you are downloading the entire operating system and all the software needed to install it.
Getting Started with Linux Mint: Your Guide to Choosing and Downloading the ISO iso linux mint
No examination of the Linux Mint ISO would be complete without acknowledging its limitations. The reliance on Ubuntu LTS means that core packages (like the kernel or desktop libraries) can become significantly outdated by the end of the two-year cycle between Mint point releases. Users requiring the latest graphics stack or compiler toolchains may find Mint frustratingly behind. Additionally, while Cinnamon is stable, it is not as lightweight as Xfce or LXQt; running the standard ISO on machines with less than 2GB of RAM results in noticeable sluggishness. Finally, the team’s past security incident (the 2016 hacking of the download servers) serves as a reminder that no distribution is immune to supply-chain vulnerabilities, though the response has since been rectified with ISO signing and checksum verification. An is essentially a "disc image