What shell's wild-card is used to match any number of characters including none?

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What shell's wild-card is used to match any number of characters including none? Answer: *

Question context

This question is part of 💻 Computing within the broader 💾 Computer Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.