tlmgr-info:tldr:24516
The command "tlmgr info collections" is used to obtain information about the collections available in the TeX Live Manager (tlmgr).
TeX Live is a comprehensive distribution of the TeX typesetting system, including various packages, tools, and documentation. Collections in TeX Live refer to groups of related packages that can be installed together.
When you run the command "tlmgr info collections", the TeX Live Manager will display information about all the available collections. This information typically includes the names of the collections, their descriptions, and the packages contained within each collection.
By using this command, you can get an overview of the available collections in TeX Live and decide which collections are suitable for your needs. Additionally, you can use other tlmgr commands to install, update, or remove specific collections or packages.