(adsbygoogle = window.adsbygoogle || []).push({}); •DOA - Play the super-awesome top-down Smash TV-style Dead Ops Arcade minigame
•3ARC INTEL - Unlocks all the intel in the game for viewing (Disables Closer Analysis Trophy/Achievement)
•3ARC UNLOCK - Unlocks all Zombie Mode levels
•ZORK - Unlocks Zork I: The Great Underground Empire (an incredibly great text adventure from 1980) which you can play on the console (!)
•HELP - Gives you a list of commands to interface with the console -- you can check mail messages and perform other mundane functions, some of which are listed below
•DIR - Gives a list of audio files and pictures which you can open with the CAT command (e.g. CAT NoteX.txt)
•WHO - Gives a list of login names for use with the RLOGIN function (but they require a password)
•ALICIA - as a code and it loads "Alicia", a virtual therapist

More that I found....
Alarm
cd
clear
cls
dir
decode
encode
alicia
exit
hello
lights
login
ls
more
mail
print
type
who
foobar

Logins:
Login: jfkennedy
Password: Lancer

Login: rnixon
Password: checkers

Login: lbjohnson
Password: ladybird

Login: vbush
Password: manhattan

Login: amason
Password: password

Login: jhudson
Password: bryant1950

Login: tbrooks
Password: lauren

Login: sharper
Password: timhortons

these are the logins for the dreamland server (rlogin dreamland)

Login: vbush
Password: majestic1

Login: roppen
Password: trinity

Here is a list of basic ZORK commands:
N - Walk north
S - Walk south
E - Walk east
W - Walk west
U - Go up
D - Go down
TALK - Talk to an object
GIVE x y - Give someone (x) an object (y)
ATTACK - Attack something
TAKE - Take an object
USE - Use object
OPEN - Open an object (usually an object like a door or chest)
WAIT or Z - Ticks off one turn (if you run in to a challenge that requires you to wait a few turns)
SAVE - Save your current position
RESTORE - Load your save
I - Display your inventory
DIAGNOSE - Display your character's medical condition
G - Repeat last command (use this to continually perform the same action)
RESTART - Start the game over
QUIT - Stops the game and gives you your score
SCORE - Displays your current score


I still dont Know what do the logins do?

Already posted.. Plus, post your source.