COPY). Because CD-ROM disks are read-only devices, you can not delete or write information to them.
Like tape drives, a CD-ROM drive must be allocated and mounted before you can use it, and then dismounted and released when you are finished with it. The sequence of commands used in working with CD-ROM disks would be:
MOUNTcommand, for example:
$ MOUNT device label
$ DIR device:
DISMOUNTcommand and remove your CD-ROM disk from the drive.
ISO 9660 CD-ROMs require a different command for the mounting step when you are using a VAX system--the
CD_MOUNT command. Use a command like this:
$ CD_MOUNT/OVER=ID/MEDIA=CDROM/UNDEFINED_FAT=(STREAM:65535)- device_name CDDISKIf you are using an Alpha system, you would use the following
MOUNTcommand to mount the CD-ROM:
$ MOUNT/OVER=ID/MEDIA=CDROM/UNDEFINED_FAT=(STREAM:65535)- device_name label
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