Unix - Study Mode

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[#521] Which of the following is not a valid escape sequence in UNIX?

(A) v

(B) d

Correct Answer

(B) d

[#522] Which of the following is an archival program?

(A) arch

(B) archive

(C) ar

(D) tar

Correct Answer

(D) tar

[#523] To change entire lines, . . . . . . . . is used.

(A) cc

(B) CC

(C) dd

(D) c$

Correct Answer

(A) cc

[#524] Which one of the following command can delete a directory which is not empty?

(A) rm -r

(B) rmdir

(C) rm *

(D) del *

Correct Answer

(A) rm -r

[#525] Which option is used with sed for using multiple instructions?

(A) -f

(B) -n

(C) -e

(D) –f and -e

Correct Answer

(D) –f and -e