How do I delete a file and a video in cd which are read-only files?

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Other answer:

Sneha:
"There are CD-R disks and CD-RW disks. With CD-R disks, if the disk has not been closed for further writing, then you but should be able to "delete" the files. The files will still be on the CD, but a new directory is created which no longer holds entries for the deleted files. If the disk has been closed, then the only way to delete the files (every file on the disk) is to destroy the disk. 5 seconds in a microwave oven should do it.

With a CD-RW disk, it can be used like a CD-R. Files can be deleted, but the space they occupy is not released. Alternatively, they can be used like a large floppy disk. Individual files can be deleted, and their space can be reused. The whole CD-RW can be erased so that it can be reused like a new disk.

CD-R is a write once disk for any specific space on the disk. CD-RW can be written several hundred times before the disk no longer works."

I totally agree with this…

karun karun:
You can't delete the file of read only CD or DVD but you can delete the files on the re-writable CD or DVD. It will more expensive then readable CD or DVD. So If you want to delete and write a new file you have to use re-writable CD or DVD.
Kyriacos:
Read-only files mean they cannot be edited or deleted. The best thing to do is to remake that CD without those files or buy RW (rewritable) DVD's so you can delete things off them and even add new things.
Richard:
There are CD-R disks and CD-RW disks. With CD-R disks, if the disk has not been closed for further writing, then you but should be able to "delete" the files. The files will still be on the CD, but a new directory is created which no longer holds entries for the deleted files. If the disk has been closed, then the only way to delete the files (every file on the disk) is to destroy the disk. 5 seconds in a microwave oven should do it.

With a CD-RW disk, it can be used like a CD-R. Files can be deleted, but the space they occupy is not released. Alternatively, they can be used like a large floppy disk. Individual files can be deleted, and their space can be reused. The whole CD-RW can be erased so that it can be reused like a new disk.

CD-R is a write once disk for any specific space on the disk. CD-RW can be written several hundred times before the disk no longer works.

Asrar:
No matter what the file is, if you heard about multi-session in softwares like Nero and other CD copying softwares, you'll be knowing that a disc burnt-copied with multi-session will be able to allow files to be added later and we can even delete the directory but cannot free up the space… And if the disc is a re-writable disc we can do anything we want, even freeing up the space and making it unrecoverable…
Ron75:
If you don't have anything on the CD that you want you can format it. Also if you have the right read/write program you can erase the CD. It is very hard to change the read only attached to the files as CDs don't normally allow much to be changed once they are written.

Ron

Belgariad:
Once a CD has been burned the files that are on it cannot be deleted. You would have to make sure that if you burn a new disk you edited what you burned onto the disk.
Troubleshooter-Trev:
What part of READ ONLY do you NOT understand? If your brain was working then you would not have needed to ask the question. You CANNOT delete the files REGARDLESS of if it is a CDRW or not!
Sheikh:
You can't do that, best option is to make another CD removing these files in CD/DVD burner
DOCTOR:
You can't do that, best option is to make another CD removing these files in CD/DVD burner

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