The OpenMoko hardware and software offer several ways to transfer files to and from the system.
WARNING: This information is based on personal account possibly using an old system (uname -a: Linux fic-gta01 126.96.36.199-moko8 #2 PREEMPT Wed May 2 14:45:45 CST 2007 armv4tl unknown) --kinscore
client ('mount -t nfs ...', '/etc/init.d/mountnfs.sh start')
client ('wget',web browser)
I didn't get this working --kinscore
common methods not supported
Bluetooth (except via other network methods)