thumb|[[MS-DOS prompts "Abort, Retry, Fail?" after being commanded to list a directory with no diskette in the drive using the <code>dir</code> command.]]
"Abort, Retry, Fail?" (or "Abort, Retry, Ignore?") is an error message found in DOS operating systems, which prompts the end-user for a course of action to follow. Although an improvement over CP/M,