Unix - Study Mode

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[#571] Which file descriptor is used to represent standard error stream?

(A) 0

(B) 1

(C) 2

(D) 3

Correct Answer

(C) 2

[#572] Which of the following is not a special parameter used by the shell?

(A) $$

(B) $*

(C) $?

(D) $-

Correct Answer

(D) $-

[#573] The UNIX shell is both . . . . . . . . and . . . . . . . . language.

(A) interactive, responsive

(B) interpreter, executing

(C) scripting, interpreter

(D) high level, low level

Correct Answer

(C) scripting, interpreter

[#574] Sometimes it is not possible to copy a file.

(A) True

(B) False

Correct Answer

(A) True

[#575] Which command is used to change the group owner of the file?

(A) chown

(B) ch

(C) chgrp

(D) chmod

Correct Answer

(C) chgrp