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Before today, I’ve used the terminal to a limited extent of moving in and out of directories and changing the dates of files using the

touch
command. I had realised the full extent of the terminal after installing a fun script on Mac and having to
chmod 755
the file to make it executable afterwards.

I’d like to know what

/usr/local/bin
is, though.
/usr/
, I assume, is the user of the computer. I’m not sure why
/local/
is there, though. It obviously stands for the local computer, but since it’s on the computer (or a server), would it really be necessary? Wouldn’t
/usr/bin
be fine?

And what is

/bin
? Why is this area usually used for installing scripts onto the terminal?