4 To inhibit wildcard substitution replacement when echoing

4) To inhibit wildcard substitution replacement when echoing a string, we can use

(a) Single quotes

(b) Double quotes

(c) Grave accent

(d) None of above

5) The following statements are related to the return value of Unix process. Which one is

(are) the true statement(s)?

(a) Every Unix process terminates with an exit value

(b) The returned value 0 means success for Unix process.

(c) All built-in commands return 0 when they fail

(d) None of above

(e)

Solution

4) The answer is option (a) Single quotes

Because Double quotes just replaces the wildcard but single quotes is used for wild card substitution.

5)  The answer is option (a) and (b)

(a) Every Unix process terminates with an exit value

(b) The returned value 0 means success for Unix process.

Because every Unix process terminates with an exit value, through convention, a 0 value means success and a non-zero value means failure and All built-in commands return 1 when they fail