An important part of the Unix philosophy is that, when you need a new tool, it is better to combine existing tools than to write new ones. What happens when you try to apply this guideline to...

An important part of the Unix philosophy is that, when you need a new tool, it is better to combine existing tools than to write new ones. What happens when you try to apply this guideline to GUI-based tools. Is that good or bad?

When was the fi rst Unix system developed? Where was the work done?