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Exam 101-500 topic 1 question 2 discussion

Actual exam question from LPI's 101-500
Question #: 2
Topic #: 1
[All 101-500 Questions]

Which umask value ensures that new directories can be read, written and listed by their owning user, read and listed by their owning group and are not accessible at all for everyone else?

  • A. 0750
  • B. 0027
  • C. 0036
  • D. 7640
  • E. 0029
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️

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anhcq
Highly Voted 2 years, 4 months ago
written and listed by their owning user => 7 => umask 0 read and listed by their owning group => 5 => umask 2 not accessible at all for everyone else => 0 => umask 7 => umask 0027, answer is B
upvoted 15 times
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Malicaide
Highly Voted 3 years, 8 months ago
Answer is B. 0027
upvoted 7 times
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Tewodros89
Most Recent 6 months, 2 weeks ago
Answer is B. 0027 The leading '0' means we're specifying the umask in octal (base 8). The '2' in the first position subtracts write permissions for "others" (everyone else). The '7' in the second position subtracts read, write, and execute permissions for the group. The '2' in the third position subtracts write permission for the user.
upvoted 2 times
hello2022
5 months ago
excellent explanation
upvoted 1 times
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Dlm17
11 months, 2 weeks ago
Selected Answer: B
B is the answer
upvoted 1 times
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Jubal75
1 year ago
Selected Answer: B
I say B
upvoted 1 times
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armandolubaba
1 year, 2 months ago
B is correct
upvoted 1 times
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HelgaLee
1 year, 6 months ago
I think this schema would be more easy to get about umask https://en.wikipedia.org/wiki/Umask
upvoted 1 times
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erikseals
1 year, 9 months ago
B. 0027
upvoted 1 times
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FantaCola
2 years, 1 month ago
Selected Answer: B
B. 0027
upvoted 1 times
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Lazylinux
2 years, 2 months ago
Selected Answer: B
IS correct
upvoted 1 times
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iwkno6
2 years, 8 months ago
Agreed 0027
upvoted 1 times
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CuriousLinuxCat
2 years, 8 months ago
Agreed, answer is B. 0027.
upvoted 1 times
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McLaba
2 years, 12 months ago
Mask (Numeric Notation) 137 Allowed Permissions rw-r----- https://wintelguy.com/umask-calc.pl
upvoted 2 times
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minajahan
3 years, 9 months ago
https://www.cyberciti.biz/tips/understanding-linux-unix-umask-value-usage.html
upvoted 3 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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