> The file /dev/inportbm clearly exists, it is character special (10,2) and >it does have appropriate ownership and permissions. So what does the error >"No such device" mean?
"No such device" means that while the name exists in the filesystem, the kernel doesn't have any idea what c/10/2 actually *is*. Perhaps you don't have the needed support in the kernel, or the needed module loaded?
