texconfig

texconfig [option] [command]

texconfig provides an interactive curses-based interface (and a non-interactive command-line interface) for configuring a TeX Live installation. It lets you change paper size, default modes, hyphenation patterns, and many other TeX engine and format settings without manually editing `texmf.cnf` or format files.Common tasks include:- Switching between A4 and letter paper- Enabling or disabling certain hyphenation languages- Rebuilding format files after configuration changes- Viewing and editing the main TeX Live configuration file

conf

Print the current configuration (non-interactive)

Set default paper size (a4 or letter)

Rebuild format files

Manage hyphenation patterns

tlmgr(1), tex(1)