Expand a range of numbers
I always – always – forget the seq command
seq 1 5 1 2 3 4 5
It’s not in OS-X. However, you can do the same thing using the built in bash
for X in {1..5} > do > echo $X > done 1 2 3 4 5
You also have the very odd command jot. The 5 below is the number of times to do something (0 is infinity.) The 1 is where to start. The third parameter (not shown) is where you should end. It’s a funky command.
jot 5 1 1 2 3 4 5