👉 In Unix and Linux, a "countercommand" is a command that can be used to execute multiple commands in sequence. These commands are executed one after another, with each executing its own set of arguments. The order of execution is specified by the parentheses around the command name. For example, if you have two countercommands `foo` and `bar`, you can use them like this: ``` bar foo ``` This would execute both commands sequentially. Countercommands are useful in situations