PATH=/usr/local/texlive/2023/bin/x86_64-linux:$PATH; export PATH 
MANPATH=/usr/local/texlive/2023/texmf-dist/doc/man:$MANPATH; export MANPATH 
INFOPATH=/usr/local/texlive/2023/texmf-dist/doc/info:$INFOPATH; export INFOPATH