Unix - Study Mode

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[#911] What does the -S option do in ls command?

(A) sorts according to modification time

(B) sorts according to last access time

(C) sorts according to file size

(D) sorts according to inode number

Correct Answer

(C) sorts according to file size

[#912] To reverse any setting updated by set command we can use . . . . . . . . symbol.

(A) –

(B) /

(C) +

(D) $

Correct Answer

(C) +

[#913] Which of the following meta-character is used in command substitution?

(A) `

(B) '

(C) "

(D) >

Correct Answer

(A) `

[#914] . . . . . . . . and . . . . . . . . commands works in a reverse manner as f and t.

(A) F, T

(B) tf, ft

(C) z, x

(D) ff, tt

Correct Answer

(A) F, T

[#915] To know the exit status of a command, we can use . . . . . . . .

(A) $$

(B) $*

(C) $?

(D) $-

Correct Answer

(C) $?