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NULL !!!NULL NAME DESCRIPTION NOTES FILES SEE ALSO ---- !!NAME null, zero - data sink !!DESCRIPTION Data written on a __null__ or __zero__ special file is discarded. Reads from the __null__ special file always return end of file, whereas reads from __zero__ always return 0 characters. __null__ and __zero__ are typically created by: mknod -m 666 /dev/null c 1 3 mknod -m 666 /dev/zero c 1 5 chown root:root /dev/null /dev/zero !!NOTES If these devices are not writable and readable for all users, many programs will act strange. !!FILES ''/dev/null /dev/zero'' !!SEE ALSO chown(1), mknod(1) ----
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