171. The cp command uses___________________?
A. standard input file
B. standard output file
C. both input and output file
D. neither standard input nor standard output file
✅ The correct answer is option D.
Basic of linux unix MCQs
172. The command used to compare the files is known as_________________?
A. comp
B. cmp
C. do
D. ccp
✅ The correct answer is option D.
173. Layer one of the OSI model is_______________________?
A. network layer
B. transport layer
C. physical layer
D. physical layer
✅ The correct answer is option D.
174. What command is used to change the working directory ?
A. cdir
B. chdir
C. changedir
D. cd
✅ The correct answer is option D.
175. Which of the following NIS clients returns the name of the NIS server used by the NIS client ?
A. ypwhich
B. ypbind
C. ypcat
D. yppoll
✅ The correct answer is option A.
176. Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory ?
A. copy programs/wb misc/wbx
B. cp programs/wb misc/wbx
C. tar programs/wb misc/wbx
D. copy a:programs/wb b:misc/wbx
✅ The correct answer is option B.
177. Which of the following commands is used to identify the type of file by context ?
A. ls
B. cat
C. file
D. more
✅ The correct answer is option C.
178. Which command is used to display all the lines with the string ‘sales’ from the file empl.lst ?
A. cut sales empl.lst
B. /sales > empl.lst
C. grep sales empl.lst
D. cat | /sales > empl.lst
✅ The correct answer is option C.
179. Which command is used to sort the lines of data in a file in reverse order__________________?
A. sort
B. sh
C. st
D. sort -r
✅ The correct answer is option D.
180. Which command will be used with vi editor to append text at end of line ?
A. A
B. a
C. i
D. I
✅ The correct answer is option A.