16. When you enclose a command between two _______, the shell replaces the command with the output of the command (Command ssubtitution).
a) $$ (Dollar Signs)
b) ’ ’ (Back quotes)
c) ‘ ’ (Single Quotation)
d) “” (double Quotation)
a) $$ (Dollar Signs)
b) ’ ’ (Back quotes)
c) ‘ ’ (Single Quotation)
d) “” (double Quotation)