aFunction() {
	echo $1
	echo world
}
 
aFunction hello > out.txt 
# out.txt would be
hello
world
# just like that!
  • Functions group just like {} does (does NOT create another shell)
  • Exiting in a function WILL exit everything
  • Arguments are positional parameters:
    • 2 etc etc. Those are your parameters. (they start at 1, remember!) #goes-in-cheat-sheet-DONE