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=== Default values ===
* Check alias 'bob' for script value. No alias exists named 'bob'.
<kua>
> alias bob
Unknown: bob
</kua>
* Call 'bob'. No command, variable or alias named 'bob' exist.
> bob
* Create an alias 'bob' and set to 'echo fred'.
> alias bob "echo fred"
* Same as the second example, but now alias 'bob' exists. The 'echo' command in the 'bob' alias script runs, and prints 'fred'.
fred
* Same as the first example, but now alias 'bob' exists and shows the value of the alias 'bob'
'bob' is 'echo fred'