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[Solved] Arizona State University IFT 383 Final
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Arizona State University IFT 383 Final IFT383 Final
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Question 11.5 out of 1.5 points
___________________ shows the count of the arguments (positional parameters) passed to the
script.
Selected $
Answer: #
Correct
Answer:
Evaluation Method Correct Answer
Exact Match $#
Question 2
1 out of 1.5 points
Given a file foo1, replace all occurrences of the word “SHELL” with “CLEAR” from 5th line till
end in only those lines that contains word “UNIX”.
Selected 5G
Answer: :g/SHELL/s//CLEAR/g
Correct
Answer: sed –n ‘5,$p’ foo1|sed ‘/UNIX/s/SHELL/CLEAR/’
Question 3
0 out of 1.5 points
If an owner doesn’t have write permission on a file but their group has, what actions can they
perform on the file?
Selected c.
Answer: Can edit, can delete
Answers: a.
Cannot edit, cannot
delete
b.
Can edit, cannot
delete
c.
Can edit, can delete
d.
Cannot edit, can
delete
Question 4
1.5 out of 1.5 points
___________________ keyword is used to define a subroutine in Perl.
Selected a.
Answer: sub
Answers: a.
sub
b.
, routine
c.
sr
d.
subrouti
ne
Question 5
1.5 out of 1.5 points
The output of the who command may have the same user id listed more than once. True or False?
Selected Tru
Answer: e
Answers: Tru
e
False
Question 6
1.5 out of 1.5 points
Given 2 files foo and bar, write a command to print the records which are common to both.
Selected sort foo bar |
Answer: uniq -d
Correct
Answer: comm -12 file1 file2
Question 7
1.5 out of 1.5 points
___________________ considers the entire set of positional parameters as a single string
Selected a
Answer: .
$*
Answers: a
.
$*
b.
$@
c.
$$
d.
$#
Question 8
1.5 out of 1.5 points
Write the commands to create a directory such that anyone in the group can create a file and
access any person’s file in it but nobody in the group should be able to delete a file other than the
one they created.
Selected mkdir Test; chmod u=rwx, g=rx,
Answer: o=r Test
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