shell script command doubt

I have a command in my shell script

CONFIGS="`tar -tzf ${CONFIGS_ARCHIVE}`"

CONFIGS_ARCHIVE is tar.gz file. If the command is executed what will be the value of CONFIGS?

Thanks, Linux开发者_如何学JAVAPenseur

` quote is for executing the command. Unless you put that ` quote, shell will treat that command as a regular string. If you want to execute a command and save it to a variable like you do, you must put that ` quote