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Command Quote by Daniel J. Bernstein

“I have discovered that there are two types of command interfaces in the world of computing: good interfaces and user interfaces.” quote by Daniel J. Bernstein
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“I have discovered that there are two types of command interfaces in the world of computing: good interfaces and user interfaces.”

Daniel J. Bernstein

About This Quote

Source Speech: Interview on software design, 2001

The quote contrasts well‑designed command interfaces with poorly designed user‑oriented ones, emphasizing functional clarity over superficial appeal.

In simple terms: Good interfaces focus on function, user interfaces on appearance.

Key Takeaway

Prioritize clarity and utility in design.

Themes

design usability functionality

Mood

analytical critical

Type

technical observational

When to use this quote

  • software development
  • product design
  • user experience
  • system administration

Key Concepts

human‑computer interaction interface theory

Questions to Reflect On

  • How do you balance elegance and usability?
  • When does visual design hinder performance?
A Different Perspective

Aesthetic appeal can sometimes mask functional flaws.

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