hpux man page for zero

Query: zero

OS: hpux

Section: 7

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

zero(7) 						 Miscellaneous Information Manual						   zero(7)

NAME
zero - /dev/zero special file
DESCRIPTION
is a zero special file. Reads from a zero special file always return characters whose value is 0 ( characters). Data written on a zero special file is discarded or ignored. Seeks on a zero special file always succeed. When is memory mapped by calling the associated memory object behaves as a object. It is initialized to all zeros. Writes to the object modify the contents of the object which are observed by subsequent reads to this object. Both and are allowed. When it is mapped shared, the memory object can be shared only with the descendants of the current process. Modifications made to the object are visible only to the process and its descendants. When it is mapped private, any modifications done after are visible only to the process.
EXAMPLES
In the following example, the buffer is filled with characters. In the following example, the process now has a range of characters at memory location
FILES
SEE ALSO
mmap(2), null(7). zero(7)
Related Man Pages
posix_mem_offset(3) - linux
mmap(2) - opendarwin
pthread_rwlockattr_setpshared(3) - osf1
shm_overview(7) - php
shm_overview(7) - opendarwin
Similar Topics in the Unix Linux Community
Help needed in padding leading zeros
Remove leading zeroes in 2nd field using sed
Help deleting leading zeros in a file
awk calculation with zero as N/A
Adding Leading Zeros for date in a file