PAGESIZE(1) BSD Reference Manual PAGESIZE(1)
pagesize - print system page size
pagesize
pagesize prints the size of a page of memory in bytes, as returned by the sysctl(8) variable hw.pagesize. This program is useful in constructing portable shell scripts.
sysctl(8)
The pagesize command appeared in 4.2BSD. MirBSD #10-current June 6, 1993 1