Since the user gets the fully managed environment owning pre-installed and updated tools, there is no need to worry about the updation of tools.
MANAGED ENVIORMENT
CloudShell provides with 1GB of storage, as per region and that is too at no extra charges. The only thing which costs is AWS resources, and one can use CloudShell with no additive cost.
STORAGE
You can deeply learn about AWSCloudShellby exploringourBlogs and well structured courses.