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
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
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).