Linux MCQ Questions with answers and solutions Page 51

Q. Indicate the right option to search for BOB, Bob, BOb or BoB?

(A) grep -v ‘Bob’ files
(B) grep ‘[BOB]’ files
(C) grep ‘B[oO][bB]’ files
(D) grep –i Bob files

💬 Discuss

✅ Correct Answer: (C) grep ‘B[oO][bB]’ files

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:47 pm in Linux

Q. Indicate the right option to search for anything not a letter or number

(A) grep ‘^[a-zA-Z0-9]’
(B) grep ‘[^a-zA-Z0-9]’
(C) grep ‘[a-zA-Z0-9]’
(D) None of the above

💬 Discuss

✅ Correct Answer: (B) grep ‘[^a-zA-Z0-9]’

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:47 pm in Linux

Q. Which command will you use to see the available routes?

(A) show route
(B) route status
(C) netstat -r
(D) None of these

💬 Discuss

✅ Correct Answer: (C) netstat -r

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:49 pm in Linux

Q. The permission -rwxr-xr-t represented in octal expression will be

(A) 2754
(B) 1754
(C) 1755
(D) 0777

💬 Discuss

✅ Correct Answer: (C) 1755

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:50 pm in Linux

Q. With a umask value of 112, what is the default permission assigned to newly created regular file?

(A) -rw-rw-r–
(B) -r-xr-x-r–
(C) -rw-rw-r–
(D) —x–x-wx

💬 Discuss

✅ Correct Answer: (A) -rw-rw-r–

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:51 pm in Linux

Q. Given the command $ chmod o-w datafile

(A) clears write permission to others for datafile
(B) clears write permission to everyone for datafile
(C) sets write permission to others for datafile
(D) sets write permission to everyone for datafile

💬 Discuss

✅ Correct Answer: (A) clears write permission to others for datafile

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:54 pm in Linux

Q. Which of these commands will set the permissions on file textfile to read and write for the owner, read for the group, and nothing for everyone else?

(A) chmod rw r nil textfile
(B) chmod 310 textfile
(C) chmod 640 textfile
(D) chmod 046 textfile

💬 Discuss

✅ Correct Answer: (C) chmod 640 textfile

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:54 pm in Linux

Q. If you are a root user, how can you grand execute permission only for the owner of the file project1?

(A) chmod U+X project1
(B) chmod a+x project1
(C) chmod u+x project1
(D) chmod +x project1

💬 Discuss

✅ Correct Answer: (C) chmod u+x project1

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 09:55 pm in Linux

Q. A user executes the following command successfully: $ chmod +x file1.txt Which of the following is true of the output of this command?

(A) The command results in adding execute permission for all users (i.e., user,group & others)
(B) The command results in an error since the file is not an executable file
(C) The command results in adding execute permission for the owner of the file
(D) The command results in adding execute permission to the user who ran this command

💬 Discuss

✅ Correct Answer: (A) The command results in adding execute permission for all users (i.e., user,group & others)

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:09 pm in Linux

Q. What does chmod +t do?

(A) set the sticky bit
(B) set effective groupid for filename
(C) set effective userid for filename
(D) wrong syntax

💬 Discuss

✅ Correct Answer: (A) set the sticky bit

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

Linux MCQs with answers Page - 51

Q. Indicate the right option to search for BOB, Bob, BOb or BoB?

Q. Indicate the right option to search for anything not a letter or number

Q. Which command will you use to see the available routes?

Q. The permission -rwxr-xr-t represented in octal expression will be

Q. With a umask value of 112, what is the default permission assigned to newly created regular file?

Q. Given the command $ chmod o-w datafile

Q. Which of these commands will set the permissions on file textfile to read and write for the owner, read for the group, and nothing for everyone else?

Q. If you are a root user, how can you grand execute permission only for the owner of the file project1?

Q. A user executes the following command successfully: $ chmod +x file1.txt Which of the following is true of the output of this command?

Q. What does chmod +t do?

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