Looking at the man pages for cp, I only found that the command exits with 0 when copy succeeds with no error, and with a number greater than 0 on any error. However I couldn’t find any detailed description on specific exit codes mapped to specific cases. Is there such a description anywhere, is it even standardized, or each Unix/Linux distribution has its own exit code set for different scenarios?
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Answer
Here is how cp from coreutils-8.21 exits:
exit (ok ? EXIT_SUCCESS : EXIT_FAILURE);
There’s nothing else than 0 or 1.