Expect is a program that “talks” to other interactive programs according to a script. Following the script, Expect knows what can be expected from a program and what the correct response should be. … It behaves just like Expect and Tk’s wish. Expect can also be used directly in C or C++ (that is, without Tcl).

What is expect on Linux?

The Linux expect command takes script writing to an entirely new level. Instead of automating processes, it automates running and responding to other scripts. In other words, you can write a script that asks how you are and then create an expect script that both runs it and tells it that you’re ok.

What expect command do in Linux?

expect command or scripting language works with scripts that expect user inputs. It automates the task by providing inputs. First we write a script that will be needing inputs from users and then we will write another script using expect to automate the task.