Unix - Study Mode

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[#596] Which command is used for deleting a single character?

(A) d

(B) dd

(C) x

(D) w

Correct Answer

(C) x

[#597] Which command creates a space for entering a new line of text below the current cursor location?

(A) o

(B) O

(C) a

(D) S

Correct Answer

(A) o

[#598] Which library function is used for printing error messages?

(A) strerror

(B) stderror

(C) strer

(D) ptrerror

Correct Answer

(A) strerror

[#599] FS defines the field separator.

(A) True

(B) False

Correct Answer

(A) True

[#600] For checking a file access rights, . . . . . . . . system call is used.

(A) acc

(B) access

(C) axs

(D) filert

Correct Answer

(B) access