From Linux using the utilites contained within:

1. Using Linux, format the pendrive with FAT using cfdisk,e.g.,

 cfdisk /dev/sda

2. Set up a bootable fat partition sda1

 mkdosfs /dev/sda1

3. Download and unzip dsl-embedded-x.zip and move content of file to the pendrive.  

cp -R /mnt/what/ever/unziped/* /mnt/sda1


4. Apply syslinux to the pendrive with syslinux.

 syslinux  -s /dev/sda1 

(where sda1 is the pendrive device)
