Computer Science Ques 613

Question: In UNIX, command ‘!’ is used to

Options:

A) Repeat last word of last command line

B) Repeat entire last command line

C) Count the number of arguments

D) Match to unknown values

E) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

  • ! in unix repeats the last argument for the command last used. !! repeats the line last entered at the shell.
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