$cd /Users/kuni7/Documents/2021/TeXWiKi\ UserForum/Terninal 
kuni7: Terninal $lualatex test.tex
This is LuaHBTeX, Version 1.13.2 (TeX Live 2021) 
 restricted system commands enabled.

kpathsea: Running mktexfmt lualatex.fmt
mktexfmt: mktexfmt is using the following fmtutil.cnf files (in precedence order):
mktexfmt:   /usr/local/texlive/2021/texmf-dist/web2c/fmtutil.cnf
mktexfmt: mktexfmt is using the following fmtutil.cnf file for writing changes:
mktexfmt:   /Users/kuni7/Library/texlive/2021/texmf-config/web2c/fmtutil.cnf
/usr/local/bin/mktexfmt: mkdir(/Users/kuni7/Library/texlive/2021/texmf-var/) failed for tree /Users/kuni7/Library/texlive/2021/texmf-var/web2c: Permission denied at /usr/local/texlive/2021/tlpkg/TeXLive/TLUtils.pm line 999.
I can't find the format file `lualatex.fmt'!
kuni7: Terninal $s -ld $(kpsewhich -var-value TEXMFVAR)
-bash: s: command not found
kuni7: Terninal $ls -ld $(kpsewhich -var-value TEXMFVAR)
ls: /Users/kuni7/Library/texlive/2021/texmf-var: No such file or directory
kuni7: Terninal $grep -e '^luaotfload' test.log
grep: test.log: No such file or directory