On a command line, what is a token? What is an argument and how does it usually affect a command? What is an option and how does it usually affect a command? How can you usually distinguish an argument from an option?
What will be an ideal response?
A token is a series of nonblank characters on the command line.
An argument is a token that a command acts on.
An option is a token that modifies how the command works.
Options frequently begin with one or two hyphens; most arguments do not
begin with a hyphen.
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