Enter each user's username (also called the login name).

Each username must:

- be unique within a domain

- contain two to 32 letters and numerals (no spaces or special characters)

- begin with a letter

- have at least one lowercase letter

NOTE: Usernames are saved in audit records. Usernames should not be reused to avoid possible confusion about:
- Who might have done what on the system
- Who owns files restored from archives