Unix - Study Mode

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[#96] On a UNIX system, there can be . . . . . . . . shells running simultaneously.

(A) 1

(B) 2

(C) many

(D) 4

Correct Answer

(C) many

[#97] test command can be used to check which of the following?

(A) Compare two numbers

(B) Compare two strings

(C) Check attributes of a file

(D) All of the mentioned

Correct Answer

(D) All of the mentioned

[#98] Which command is used to reverse the direction of repeating the search?

(A) n

(B) N

(C) nn

(D) NN

Correct Answer

(B) N

[#99] For searching a character, . . . . . . . . and . . . . . . . . are used.

(A) f, t

(B) n, w

(C) e, d

(D) k, n

Correct Answer

(A) f, t

[#100] What are the permission of file01 after executing this command? chmod 777 file01

(A) rwxrwxrwx

(B) rw-rw-rw

(C) r–r–r–

(D) r–r— -

Correct Answer

(A) rwxrwxrwx