What will happen if the player is plugged to Linux
computer?
Could I just copy the ogg files to player's disk
("cp *.ogg /mnt/player/") and all would work perfectly?
That works for me, but I have a different player. Check out what's on
the device, first -- there might be a pre-existing directory structure
on the player with designated folders called "music" or "audio" or
suchlike.