Is it legal to torrent a copy of Mac OS X?
Nope. If you didn’t make the backup yourself, then it is considered an unlawful reproduction. [Via U.S. Copyright Office] Is it legal to sell backup copies of computer software (in online auctions or on website)? Is it legal to buy and use a backup copy of software I already own? No. The Copyright Act does not permit anyone to sell backup copies to third parties separately from the original copy of the software. If you lawfully own a computer program, you may sell or transfer that lawful copy together with a lawfully made backup copy of the software, but you may not sell the backup copy alone. We have been made aware of websites that are offering to sell “backup” copies of software via download over the Internet or in a custom-burned CD-R format, under the guise that section 117 permits this. Section 117 does NOT permit the sale of backup copies. Again, section 117 does not allow you to sell backup copies to someone else except when such backup copies are sold together with the origina
