Need an Introduction to Tiny Core? Or peruse Core Concepts.
$ tce-load -i cdrtools$ cdrecord --scanbus[find where cd drive is located, for example 6,0,0]$ sudo cdrecord -v -pad speed=1 dev=6,0,0 Core-current.iso
Device seems to be: Generic CCS Disk.cdrecord:Sorry,no CD/DVD/BD-Drive found on this target