UG commands explanation lacks clarity

[syj02]

• Missing expected output

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• As pointed out before, wrong command.
• Lacks description of what can the input be made of (i.e. GROUP_NAME must be a String of ASCII characters )
• Missing expected output

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• Lacks description of what can the input be made of.
• Missing expected output

Other commands left out for brevity

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• Lacks description of what can the input be made of.
• Missing example input
• Missing expected output