You are a real Unix/linux newbie.
You dont know what mount is.
In Unix everything are files. Even your devices.
The /dev/cdrom is just a link (sortcat) do:
ls -l /dev/cdrom. That what the funny @ after it says.
It's linking to /dev/hdx where x=1,2,3,4 or /dev/srx if you use ide-scsi emulation (you need that to burn cd's with the 2.4 kernels, but not with 2.6 any more). Slackware thing it's safer to use 2.4 kernel as default.
To brows the cd do:
mount /dev/cdrom, and the cd filesystem will be attached under /mnt/cdrom.
to be able to eject the cdrom, leave this directory and try
for more info on the commands tryhttp://www.linuxcommand.org/
I can live without gui but you definitely need one. In the beginning the command line can be pretty frustrating.