Linux MCQ Questions with answers and solutions Page 45

Q. Which command is used to select those lines where the data lies between 7000 and 7999 at the end of the line of file empl.lit.

(A) grep ^7… empl.1st
(B) grep “7…$” empl.1st
(C) grep “7…^” empl.1st
(D) grep “$7…” empl.1st

💬 Discuss

✅ Correct Answer: (B) grep “7…$” empl.1st

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:19 am in Linux

Q. Which command is used to select those lines that begin with a 2 in the tre file empl.1st?

(A) grep “2^” empl.1st
(B) grep “7^” empl.1st
(C) grep “2…” empl.1st
(D) grep “^2” empl.1st

💬 Discuss

✅ Correct Answer: (D) grep “^2” empl.1st

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:20 am in Linux

Q. Which of the following commands is used to update access and modification times of a file?

(A) cat
(B) touch
(C) wc
(D) grep

💬 Discuss

✅ Correct Answer: (B) touch

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:20 am in Linux

Q. The command that can be used to restrict incoming messages to a user is

(A) sleep
(B) grep
(C) halt
(D) mesg

💬 Discuss

✅ Correct Answer: (D) mesg

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:21 am in Linux

Q. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

(A) grep
(B) tr
(C) sort
(D) tee

💬 Discuss

✅ Correct Answer: (B) tr

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 11:10 am in Linux

Q. What command is used to save the standard output in a file, as well as display it on the terminal?

(A) more
(B) cat
(C) grep
(D) tee

💬 Discuss

✅ Correct Answer: (D) tee

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 11:12 am in Linux

Q. What command is used to count just the number of lines contained in a file?

(A) wc –r
(B) wc –w
(C) wc –c
(D) wc –l

💬 Discuss

✅ Correct Answer: (D) wc –l

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 11:13 am in Linux

Q. What command is used to sort the lines of data in a file in reverse order?

(A) sort
(B) sh
(C) st
(D) sort –r

💬 Discuss

✅ Correct Answer: (D) sort –r

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 11:14 am in Linux

Q. What shell's wild-card is used to match a single character?

(A) *
(B) ?
(C) [ijk]
(D) [!ijk]

💬 Discuss

✅ Correct Answer: (B) ?

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 11:15 am in Linux

Q. Which of the following command lists the last 10 lines of a file?

(A) tail
(B) cat
(C) head
(D) grep

💬 Discuss

✅ Correct Answer: (A) tail

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 11:16 am in Linux

Linux MCQs with answers Page - 45

Q. Which command is used to select those lines where the data lies between 7000 and 7999 at the end of the line of file empl.lit.

Q. Which command is used to select those lines that begin with a 2 in the tre file empl.1st?

Q. Which of the following commands is used to update access and modification times of a file?

Q. The command that can be used to restrict incoming messages to a user is

Q. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

Q. What command is used to save the standard output in a file, as well as display it on the terminal?

Q. What command is used to count just the number of lines contained in a file?

Q. What command is used to sort the lines of data in a file in reverse order?

Q. What shell's wild-card is used to match a single character?

Q. Which of the following command lists the last 10 lines of a file?

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