can debug using shell script

 cat > ~/debug-shell.sh <<'EOF'

echo "===== SHELL ====="

echo "$SHELL"

echo "$0"

echo

echo "===== PATH ====="

echo "$PATH"

echo

echo "===== WHICH ====="

which sudo

which node

which npm

echo

echo "===== TYPE ====="

type sudo

type node

type npm

echo

echo "===== ENV ====="

env | grep PATH

EOF

chmod +x ~/debug-shell.sh