Lesson plan
/dev/full
In Linux, FreeBSD, and NetBSD, , or the always-full device, is a special file that always returns the error code (meaning "No space left on device") on writing, and provides any number of zero bytes to a process that reads from it (similar to ). This device is usually used when testing the behavior of a program when it encounters a "disk full" error. $ echo "Hello, World" > /dev/full bash: echo: write error: No space left on device
Article summary
In Linux, FreeBSD, and NetBSD, , or the always-full device, is a special file that always returns the error code (meaning "No space left on device") on writing, and provides any number of zero bytes to a process that reads from it (similar to ). This device is usually used when testing the behavior of a program when it encounters a "disk full" error. $ echo "Hello, World" > /dev/full bash: echo: write error: No space left on device
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.