A Mac tutorial for PC users or beginners that serves as a basic introduction to Mac OS X. Updated tutorial on macOS available here: https://www.youtube.com/. The condition expression of a control structure can return any value. Both false and nil test false. All values different from nil and false test true. In particular, the number 0 and the empty string also test true. In the repeat–until loop, the inner block does not end at the until keyword, but only after the condition. So, the condition.
If you want to create a large dummy file with any extension e.g. : .txt, .dmg, .pdf, .mp4, .mov, .zip, .rar, .mk4 you can do it using mkfile command in Terminal App.
Steps to create a large file :