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Checks Quote by Ken Thompson

“SCCS, the source motel! Programs check in and never check out!” quote by Ken Thompson
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“SCCS, the source motel! Programs check in and never check out!”

Ken Thompson

About This Quote

Source Quote: Personal anecdote, 1970s

Software that never releases resources creates lingering problems.

In simple terms: Leaky software persists.

Key Takeaway

Ensure proper resource cleanup.

Themes

software engineering resource management bugs

Mood

technical pragmatic

Type

educational warning

When to use this quote

  • operating systems
  • embedded devices
  • long‑running services

Key Concepts

systems design memory processes

Questions to Reflect On

  • How do you detect hidden leaks?
  • What practices prevent resource leaks?
A Different Perspective

Legacy code may be hard to fix later.

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