Don't worry! It's only stuff...

# create usb disk
cp /usr/lib/syslinux/vesamenu.c32 /mnt    
cp /usr/lib/syslinux/memdisk /mnt
 
# tinycorelinux
wget ftp://distro.ibiblio.org/pub/linux/distributions/tinycorelinux/2.x/release/tinycore_2.1.iso -P /tmp
mount /tmp/tinycore_2.1.iso /mnt/ -o loop
cp /mnt/boot/bzImage /mnt/boot/tinycore.gz  /media/USB_MINI/boot/tinycore/
 
# netinstall
mount mini.iso /mnt/ -o loop
cp /mnt/initrd.gz /mnt/linux /media/USB_MINI/boot/netinstall/
 
 
 
# syslinux.cfg
default boot/vesamenu.c32
timeout 100
menu title Multi Boot USB
 
LABEL Localboot
localboot 0x80
 
LABEL Ubuntu
KERNEL /c