[TorKlingberg]

It's worth noting that the terminology has changed a bit over time. I.e. the old Unix C function 'crypt' actually does hashing.

[ttyprintk]

No, it uses an encryption scheme on the password to derive the field in /etc/passwd. It’s one-way (decrypt is not implemented) but it is encryption based on a rotor-design US Army encryption machine. Edit: Navy, not Army