What shell am I in?

Question

Is there a command to identify the name/type of current shell, the path to the shell binary, and the version of the shell?

I don\'t need all of that, but the more I

Answer 1

Try ($$ is shell variable set to process id of the shell):

ps -ef | grep $$

or try this (/proc/self is aloso process id of the shell):

ps -ef | grep /proc/self

As regards to "-bash" - dash means it's login shell. Type bash again and now you'll see that the shell is just "bash" (without dash)