Linux passwords are stored with salt

Windows stores local passwords in registry database

Salt requires a hardware random generator

Salt provides additional length for passwords which is better for security

Salt provides additional randomness for passwords which is better for security

Salt is visible in password hashes

Linux stores passwords in the /etc/password file

Salted passwords are never guessable by any means which is better for security

They are always stored as non-reversible hashes

Windows NTLM passwords are stored without salt