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Question 1

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Answer 1

Write lines consisting of the sequentially corresponding lines from each FILE, separated by TABs, to standard output.

Question 2

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• d
• s
• z

Answer 2

• d, –delimiters=LIST, Reuse characters from LIST instead of TABs.
• s, –serial, Paste one file at a time instead of in parrallel.
• z, –zero-terminated, Line delimiter is NUL, not newline.