bsdiff man page on Cygwin

bsdiff man page on Cygwin

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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 aver‐
     age 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

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