Aliases are a short form of many other commands. They are
used to provide a convenient way to type a common command
easily.

Default Aliases:

    n: north
    s: south
    e: east
    w: west
    u: up
    d: down
    l: look
    ': say
    ,: emote
    i: inventory
    inv: inventory
    attack: kill
    social: emote