Unix - Study Mode

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[#426] The first UNIX editor was . . . . . . . .

(A) emacs

(B) ex

(C) ed

(D) vi

Correct Answer

(C) ed

[#427] . . . . . . . . option is used with df command for displaying the total amount of disk space in the file system in terms of Kilobytes.

(A) -a

(B) -d

(C) -t

(D) -k

Correct Answer

(D) -k

[#428] expr is a . . . . . . . . command

(A) internal

(B) external

(C) shell

(D) derived

Correct Answer

(B) external

[#429] What is the output of the following command? $ wc -c *.c

(A) total size of .c files

(B) size of each .c file

(C) undefined

(D) erroneous

Correct Answer

(A) total size of .c files

[#430] The PATH for superuser doesn't include current directory.

(A) True

(B) False

Correct Answer

(A) True