71. Which of the following is not a filter ?
A. cat
B. grep
C. wc
D. None of the above
✅ The correct answer is option D.
Basic of linux unix MCQs
72. Which shell’s wild-cards is used to match a single character ?
A. *
B. ?
C. [ijk]
D. [!ijk]
✅ The correct answer is option B.
73. Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3 ?
A. chmod u+x emp[1-3]
B. chmod 777 emp*
C. chmod u+r ??? emp
D. chmod 222 emp?
✅ The correct answer is option A.
74. What are the appropriate Hex codes for setting Linux swap and Linux native partition types in fdisk ?
A. 82 and 83
B. 92 and 93
C. 63 and 64
D. 82 and 85
✅ The correct answer is option A.
75. Which command is used to sort the lines of data in a file in alphabetical order ?
A. sort
B. sh
C. st
D. sort -r
✅ The correct answer is option A.
76. The command chmod 761 letter is equivalent to__________________?
A. chmod 4=7, g = 6, o = 1 letter
B. chmod a = 761 letter
C. chmod u = rwx, g = rw, o = x letter
D. chmod 167 letter
✅ The correct answer is option C.
77. Which command is used to display the top of the file ?
A. cat
B. head
C. more
D. grep
✅ The correct answer is option B.
78. The special shell variable $* is used________________?
A. to exit status of ast command executed.
B. to process number of the current shell
C. to list the positional parameters
D. to name the command being executed
✅ The correct answer is option C.
79. What command is used to query for a specific package with RPM ?
A. rpm -q
B. rpm -a
C. rpm -d
D. rpm -1
✅ The correct answer is option A.
80. Which command is used to print a file ?
A. print
B. prn
C. pg
D. lp
✅ The correct answer is option D.