Linux Bash Arithmetic Expressions Question: Which command can create environment variable? a) export b) set c) read d) none of the mentioned Linux Bash Arithmetic Expressions Interview QuestionAnswer: a) export Previous QuestionNext QuestionThe command 'enable -n ': a) enables the specified built-in command b) disables the specified built-in command c) print the status of the command d) none of the mentionedWhich command concatenate the specified argument into a single command, then execute the command? a) fc b) eval c) exec d) getopts