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NAME    [Toc]    [Back]

     gzexe - create auto-decompressing executables

SYNOPSIS    [Toc]    [Back]

     gzexe [-d] file ...

DESCRIPTION    [Toc]    [Back]

     The gzexe utility uses gzip(1) to compress executables, producing executables
  that  decompress  on-the-fly  when executed.  This
saves disk
     space, at the cost of slower execution times.  The  original
     are  saved  by  copying each of them to a file with the same
name with a `~'
     suffix appended.  After verifying that the  compressed  executables work as
     expected, the backup files can be removed.

     The options are as follows:

     -d       Decompress  executables  previously  compressed  by

     The gzexe program refuses to compress non-regular or non-executable
     files, files with a setuid or setgid bit set, files that are
already compressed
 using gzexe or programs it needs to perform  on-thefly decompression:
  sh(1),  mktemp(1),  rm(1), echo(1), tail(1), gzip(1),
and chmod(1).

SEE ALSO    [Toc]    [Back]


CAVEATS    [Toc]    [Back]

     The gzexe utility replaces files by  overwriting  them  with
the generated
     compressed  executable.   To  be  able to do this, it is required that the
     original files are writable.

OpenBSD     3.6                           July      30,      2003
[ Back ]
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