NULL(4) NetBSD Kernel Interfaces Manual NULL(4)
NAME
null -- the null device
DESCRIPTION
The null device accepts and reads data as any ordinary (and willing) file -- but throws it away. The length of the null device is always zero.
FILES
/dev/null
HISTORY
A null device appeared in Version 4 AT&T UNIX. NetBSD 8.3 August 29, 2019 NetBSD 8.3
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