What Is Bc Command in Unix?

bc command is used for command line calculator. It is similar to basic calculator by using which we can do basic mathematical calculations. … Linux or Unix operating system provides the bc command and expr command for doing arithmetic calculations.

What Does BC do in bash?

The full form of bc is Bash Calculator. It is used for performing floating-point mathematical operations. Before you perform any arithmetic operation using bc command, make sure you set the value of a built-in variable called scale . This variable is used to set the number of decimal places.

How do I exit BC?

4 Answers. You can do just echo quit | bc -q gpay > tgpay , which will act almost like entering “quit” from the keyboard. As another option, you may write bc tgpay , which will pass the contents of gpay to stdin, running bc in non-interactive mode.