# * POSIX
TMPDIR
csh
globstar
nullglob
passwd
pipefail
popd
pushd
sh
tcsh
zsh

# * Windows
APPDATA
COMSPEC
HKCU
HKLM
HOMEDRIVE
HOMEPATH
LOCALAPPDATA
PATHEXT
PATHEXT
SYSTEMROOT
USERDOMAIN
USERNAME
USERPROFILE

# * `git`
gitattributes
gitignore

# * `make` (`gmake`)
CURDIR
GNUMAKEFLAGS
GNUMakefile
LIBPATTERNS
MAKECMDGOALS
MAKEFILES
MAKEFLAGS
MAKELEVEL
MAKESHELL
SHELLSTATUS
VPATH
abspath
addprefix
addsuffix
endef
firstword
ifeq
ifneq
lastword
notdir
patsubst

# * `npm`
corepack
preversion

# * `prettier`
prettierignore

# * utilities
chglog
commitlint
dprint
gcov
gmake
grcov
grep
markdownlint
mkdir
rimraf
rollup
sed
stty
typedoc
xargs