What would be the most practical way to protect (from reading, or better to say, understanding the contents) a text file in a way that can be done from the command line?
It is a normal text file containing notes, but which will pass, let's say, through an unlimited number of hands, but needs to be accessible to only a few.
It is actually a bit more complicated, but this is the gist of it.
The only solution I thought of so far would be to password protect it in an archive, but how safe is that? And it's not all that practical to do from cmd. I'm still keeping it as an option in reserve ...
All other suggestions welcomed!