We can classify cookies into two:
- Persistent Cookies
- Non-persistent Cookies
Persistent cookies: These can be called permanent cookies, which are stored in the client hard-drive until they expire. Persistent cookies should be set with an expiration dates. Sometimes thet stays until the user deletes the cookies. Persistent cookies are used to collect identification information about a user from the system. I have discussde about the creation of persistent cookies in the "How to make persistant Cookies" section.
Non-persistent Cookies: These can be called temporary Cookies. If there is no expiration time defined, then the cookie is stored in the browser memory. The example which I have shown above is a non-persistent cookie.
There is no difference between modifying a persistent and non-persistent cookie. The only difference between them is persistent cookies should have an expatriation time defined.
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