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Zero file z/OS UNIX System Services Planning GA32-0884-00 |
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The zero file, /dev/zero (major 4, minor 1), is similar to /dev/null in that data written to this file is discarded, but when the file is read from, it provides an inexhaustible supply of binary zeros. The standard zero file, named /dev/zero, is created the first time the system is IPLed or when referenced, if it does not exist already. |
Copyright IBM Corporation 1990, 2014
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