Characteristics of a Solaris password

The passwords protect the system from intruders, the users should change their passwords frequently to avoid no authorized security breaches.

The Solaris operating system passwords should have this characteristics:

- Six (6) to Eight (8) characters
- It should have almost two (2) alphanumeric characters and almost one numeric or special sign.
- It should be different than the username used to login.
- It should be different than the previous password, differing in almost 3 characters.
- It can have spaces.
- It should not be the reverse of the username.

This rules do not apply to the root user, nor any password created by the root user.