Question

Any command using standard input can take the input from here document.

(a) True

(b) False

I had been asked this question in an interview for internship.

My question comes from Shell Programming using Various Commands in section Essential Shell Programming of Unix

Answer 1

Correct option is (a) True

Easiest explanation: The shell uses >> symbol to read data from the same file containing the script. This is referred to as a here document. It allows any command (which uses standard input) to take input from it.