Can I mod a PS3?

Modding your PlayStation 3 allows you to do many things; Bypass protection mechanisms like Cinavia. Dump games from disc and hard drive. Transfer files to and from filesystems other than FAT32.

Can you softmod PS3?

What is jailbreaking a PS3?

Jailbreaking your PS3 allows you to store and play homebrew games and applications on the device that would otherwise be unable to operate. This also allows you to store digital backups of the games you own on either the internal hard drive or on an external USB hard drive.