Unix - Study Mode

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[#1096] For reading input, which of the following system call is used?

(A) write

(B) rd

(C) read

(D) change

Correct Answer

(C) read

[#1097] Which symbol is used to redirect error messages to /dev/null?

(A) %

(B) $

(C) >

(D) <

Correct Answer

(C) >

[#1098] pwd and echo $HOME will display the same output.

(A) True

(B) False

Correct Answer

(B) False

[#1099] Sort command uses . . . . . . . . as default field delimiter.

(A) tab

(B) single space

(C) double tab

(D) one or more continuous spaces

Correct Answer

(D) one or more continuous spaces

[#1100] Which shell is the most common and best to use?

(A) Korn shell

(B) POSIX shell

(C) C shell

(D) Bash shell

Correct Answer

(D) Bash shell