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tlmgr-paper:tldr:81700
The command "tlmgr paper" is a command used in TeX Live, a comprehensive distribution of the TeX typesetting system. This command is used to display or set the default paper size used for printing documents in TeX Live.
When you run the command "tlmgr paper" without any additional arguments, it will display the current default paper size that is set in TeX Live.
If you want to change the default paper size, you can provide an argument to the command specifying the desired paper size. For example, you can use "tlmgr paper a4" to set the default paper size to A4.
By default, the paper size is set to "letter" in TeX Live, which is the standard paper size used in the United States. However, depending on your location or specific requirements, you may need to change the default paper size to something else, such as A4 or legal.