Question

Which symbol is used for assigning a value to variables?

(a) $

(b) &

(c) =

(d) @

I have been asked this question in an internship interview.

My question is taken from Command Substitution and Shell Variables topic in section The Shell of Unix

Answer 1

Correct answer is (c) =

Explanation: The shell supports variables that are useful both in the command line and shell scripts. These variables are called shell variables like pwd.  A variable assignment is of the form variable=value(no spaces around =). For example,