Original sentence: A unique feature that sets Puppy Linux apart from other Linux distributions is the ability to offer a normal persistent updating working environment on a write-once multisession CD/DVD.Puppy 5 is based on a project called Woof which is designed to assemble a Puppy Linux distribution from the packages of other Linux distributions
Edited sentence: A unique feature that sets Puppy Linux apart from other GNU/Linux distributions is the ability to offer a normal persistent updating working environment on a write-once multisession CD/DVD.Puppy 5 is based on a project called Woof which is designed to assemble a Puppy Linux distribution from the packages of other GNU/Linux distributions