BSDIFF(1) BSD General Commands Manual BSDIFF(1)
NAME
bsdiff -- generate a patch between two binary files
SYNOPSIS
bsdiff <oldfile> <newfile> <patchfile>
DESCRIPTION
bsdiff compares <oldfile> to <newfile> and writes to <patchfile> a binary patch suitable for use by bspatch(1). When <oldfile> and <newfile>
are two versions of an executable program, the patches produced are on average a factor of five smaller than those produced by any other
binary patch tool known to the author.
bsdiff uses memory equal to 17 times the size of <oldfile>, and requires an absolute minimum working set size of 8 times the size of oldfile.
SEE ALSO
bspatch(1)
AUTHORS
Colin Percival <cperciva@freebsd.org>
FreeBSD May 18, 2003 FreeBSD
