I've been using knoppix for a long time, and I never knew that Alt+F1 would bring up the start menu (lxde calls it the launcher).
Because I didn't know this, I've always had to plug in a mouse to get a program launched.
I've always used the windows key or CTRL+ESC under windows but this doesn't work under knoppix 9.1 lxde.
Now if I'm doing some system testing, I can just hook up a keyboard and be able to launch things.
For fun, I made a desktop entry in .config/autostart/reminder.desktop
[Desktop Entry]
Name=reminder
Type=Application
Path=/home/knoppix
Exec=notify-send "Press Alt+F1 for launcher menu"
Terminal=false
ASUS H110M-R Motherboard Intel 6th/7th Gen LGA1151 DDR4 Micro-ATX i/o shield
$42.00
ASUS Prime B250M-C LGA1151 DDR4 Desktop Motherboard USB 3.0 w/ I/O Shield
$39.99
Asrock Z390 Phantom Gaming 4S/AC Wifi 8th/9th Gen Intel 1151 Motherboard Bulk
$41.16
MSI PRO B650-P WiFi AMD AM5 DDR5 WiFi 6E ProSeries Motherboard
$80.71
ASUS P8B75-M/CSM Desktop Motherboard Intel Socket LGA1155 DDR3 w/ IO
$29.99
Asus B85M-E B85 LGA 1150 Micro ATX DDR3 SATA3.0 Desktop Motherboard With I/O
$32.99
MSI A320M-A Pro mATX AM4 Motherboard (Ryzen 1000-5000 Ready)
$49.99
MSI B450M PRO-VDH MAX AM4 AMD B450 USB3.2 Micro-ATX Motherboard
$67.99
MSI PRO B650-P WiFi AMD AM5 DDR5 WiFi 6E ProSeries Motherboard
$96.01
ASUS PRIME Z690-P WIFI D4 ATX Motherboard Intel LGA1700 DDR4 HDMI
$99.99