Wolfram Schneider 5d7128668c du(1) always exit with value zero. ... $ du /foobar du: /foobar: No such file or directory $ echo $? 0		1997-08-29 11:40:00 +00:00
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Makefile	…
du.1	…
du.c	du(1) always exit with value zero.	1997-08-29 11:40:00 +00:00