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
AUTHORS
- Colin Percival <cperciva@freebsd.org>