I use myscript > my.log 2>&1 & to run a script and collect it's output - so that when I logout - the script will still be running. It I were to start it with myscript & - it will ...
I run a lot of long running processes (simulations) that print progress to STDOUT. I occasionally forget to redirect to STDOUT to a file I can grep, and it's usually too far along to restart. ...