gzexe(1) - phpMan

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GZEXE(1)                                                              GZEXE(1)



NAME
       gzexe - compress executable files in place

SYNOPSIS
       gzexe name ...

DESCRIPTION
       The  gzexe  utility allows you to compress executables in place and have them auto-
       matically uncompress and execute when you run them (at a penalty  in  performance).
       For  example if you execute ''gzexe /usr/bin/gdb'' it will create the following two
       files:
           -rwxr-xr-x  1 root root 1026675 Jun  7 13:53 /usr/bin/gdb
           -rwxr-xr-x  1 root root 2304524 May 30 13:02 /usr/bin/gdb~
       /usr/bin/gdb~ is the original file and /usr/bin/gdb is the self-uncompressing  exe-
       cutable  file.   You  can  remove /usr/bin/gdb~ once you are sure that /usr/bin/gdb
       works properly.

       This utility is most useful on systems with very small disks.

OPTIONS
       -d     Decompress the given executables instead of compressing them.

SEE ALSO
       gzip(1), znew(1), zmore(1), zcmp(1), zforce(1)

CAVEATS
       The compressed executable is a shell script.  This may create some security  holes.
       In particular, the compressed executable relies on the PATH environment variable to
       find gzip and some standard utilities (basename,  chmod,  ln,  mkdir,  mktemp,  rm,
       sleep, and tail).

BUGS
       gzexe attempts to retain the original file attributes on the compressed executable,
       but you may have to fix them manually in some cases, using chmod or chown.



                                                                      GZEXE(1)

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