My wearable is running off of a Sandisk 40MB Flash Drive. To do the install I just plugged a floppy and cdrom into the pc/104 cpu board and installed on the flash drive, then pulled the cd and floppy off. It was pretty easy to do, but the biggest problem is stuffing a commercial linux release into a small space. The RedHat distribution version 5.0 claims to require only 20MB for a minimal install but the installer wont let you reduce the installation size below 43MB. I had to use the previous RedHat installation (4.1 I think) to fit it all in. I think the installation still used 35MB and I cleaned out some extraneous stuff like man pages and got it under 30MB. Alternatively, netBSD has a kernel and some basic apps like telnet, ftp, etc that fits on a single floppy. You could probably just copy this onto the flash drive and boot
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