Ex mode in Terminal?

[tallguy]

I was going through some things in terminal and came across this. I just typed in ex and it goes into ex mode. Does anyone know what this is used for?

 

[r.j.s]

http://www.computerhope.com/unix/uex.htm

 

[slpdLoad]

It's a mode of vim (vi-improved). vi/ex are basic text editors in unix.

Type "man ex" to see more.