Unix Also had the capability to avoid wasting and re-run strings of instructions as shell scripts which acted like personalized commands. A few representative samples of command-line alternatives, most referring to listing documents in a Listing, As an instance some conventions: Functioning procedure Numerous graphical interfaces, like the OS/2 Presentation https://leftbookmarks.com/story21326581/%E5%A8%9B%E6%A8%82%E5%9F%8E%E6%8E%92%E5%90%8D-options