Question: Consider the following interaction with a UNIX shell: [10] cat foo: No such file or directory [11] cat foo foo: No such file or directory

Consider the following interaction with a UNIX shell:

[10] cat

foo: No such file or directory

[11] cat foo

foo: No such file or directory

[12]

As shown, both command lines resulted in the same error message, but it came from different programs. Explain how that is possible. _____________________________________________________________________________________

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