I'm writing a pretty ad-hoc install script for some thing. No much control constructs, basically just a list of commands. I'd like the user to confirm each command before it gets executed. Is there a ...
I have been doing this for a while: sudo su - but it uses 'sh' rather than 'bash', which is what I'd like to do. Which command will log me in as root and get me a bash shell even if that's not the ...
Using echo "20+5" literally produces 20+5 What command can I use to get the actual sum, e.g. 25 in this case. Also, what's the easiest way to do it just using bash for floating point, e.g. echo ...