What is the difference between buffer and cache memory in Linux?

Question

To me it\'s not clear what\'s the difference between the two Linux memory concepts : buffer and cache. I\'ve read through this post and it seems to

Answer 1

It's not 'quite' as simple as this, but it might help understand:

Buffer is for storing file metadata (permissions, location, etc). Every memory page is kept track of here.

Cache is for storing actual file contents.