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Permission Denied
This is often confused with EPERM, to quote SUSv3:
- Permission denied. An attempt was made to access a file in a way forbidden by its file access permissions.
- Examples include
- trying to lower a process's nice(1) value (ie make it a higher priority process) when you are not the superuser.
- trying to unlink(2) (delete) a file when you do not have write access to the file or the directory, or open a file for reading when you do not have read access.
