Shell:~/tmp >: cdio
No CD device name specified. Defaulting to cd0.
Compact Disc Control utility, version 2.1
Type `?' for command list

cdio> ?
        ClOSE
        DEBuG on | off
        DeVICE devname
        EjECT
        HeLP
        InFO
        NeXT
        PAuSE
        PlAY track1[.index1] [track2[.index2]]
        PlAY [tr1] m1:s1[.f1] [tr2] [m2:s2[.f2]]
        PlAY [#block [len]]
        PReVIOUS
        QuIT
        RESEt
        ReSUME
        REPlAY
        SEt msf | lba
        StATUS
        STOp
        VoLUME <l> <r> | left | right | mute | mono | stereo
        CDdBINFO [n]
        CDId
        EXiT
        BlANK
        CdRIP [[track1-trackN] ...]
        CdPLAY [[track1-trackN] ...]

        The word "play" is not required for the play commands.
        The plain target address is taken as a synonym for play.
cdio>