But I also want to use it to access the command line for applications and my suite of programs and scripts I can't seem to do without. I have a seven-year-old iPad 2 Mini that still works fine for reading e-books and other tasks. But if you're reading, you probably know the answer: Linux users want to be able to use any device, and they also want to use their own customizations. Did you know that you can run a Linux command line on your iOS device? You might be asking, 'why would I want to use text-based applications on my tiny iPhone?' OK, fair enough.