sudo apt install nemo
gsettings set org.nemo.desktop show-desktop-icons true
mkdir -p ~/.config/autostart
# nano ~/.config/autostart/nemo-desktop.desktop
# Use a here-document for clean multi-line echo
cat > ~/.config/autostart/nemo-desktop.desktop << 'EOF'
[Desktop Entry]
Type=Application
Name=Nemo Desktop Manager
Comment=Manage desktop icons with Nemo
Exec=nemo-desktop
Hidden=false
NoDisplay=false
X-GNOME-Autostart-enabled=true
EOF

chmod +x ~/.config/autostart/nemo-desktop.desktop