I'm normally well aware of the contents of
$-. On a recent CentOS I get:
[grochmal@orion ~]$ echo $- himBH
hmBH are all options from
i means that my shell is interactive.
Yet, on my Arch Linux I got:
[grochmal@haps ~]$ echo $- himBHs
I cannot find anything useful in
man bash and
set -s gives me an error. What does that
s stand for?