つづき(3/3)
(つづき)"
- Making use of the side effects of system primitives can be risky. If cat is used unwisely, it will destroy files (more on this in a moment).
- Special functions can do nice things for users, such as stop at the end of screens, or put on page headings, or transform nonprinting characters into printing ones, or get rid of underlines for terminals that can’t do that. ..."
https://www.researchgate.net/publication/202165676_The_trouble_with_UNIX_The_user_interface_is_horrid