Are the commands' options case sensitive? i.e.
rm -r directory
rm -R directory
And I got the same results, whereas when I did
ls -r directory
ls -R directory
I got different answers.
This is what man pages are for
So with the command rm, -r and -R are the same, but not so with ls
Yes, almost everything in Linux is case sensitive.
For example, in your
Also, like in
However, sometimes the upper and lowercase letter options are the same, like in
It depends on the command. To best find out if upper and lowercase make a difference, always consult the
The cases only matter if there is another argument in the opposite case. This is usually how it works, so I would keep the case of the argument the same as what command you want