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- GZEXE(1) USER COMMANDS GZEXE(1)
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- NAME
- gzexe - compress executable files in place
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- SYNOPSIS
- gzexe [ name ... ]
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- DESCRIPTION
- The _g_z_e_x_e utility allows you to compress executables in
- place and have them automatically uncompress and execute
- when you run them (at a penalty in performance). For exam-
- ple if you execute ``gzexe /bin/cat'' it will create the
- following two files:
- -r-xr-xr-x 1 root bin 9644 Feb 11 11:16 /bin/cat
- -r-xr-xr-x 1 bin bin 24576 Nov 23 13:21 /bin/cat~
- /bin/cat~ is the original file and /bin/cat is the self-
- uncompressing executable file. You can remove /bin/cat~
- once you are sure that /bin/cat works properly.
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- This utility is most useful on systems with very small
- disks.
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- OPTIONS
- -d Decompress the given executables instead of compressing
- them.
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- SEE ALSO
- gzip(1), znew(1), zmore(1), zcmp(1), zforce(1)
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- CAVEATS
- The compressed executable is a shell script. This may create
- some security holes. In particular, the compressed execut-
- able relies on the PATH environment variable to find _g_z_i_p
- and some other utilities (_t_a_i_l, _c_h_m_o_d, _l_n, _s_l_e_e_p).
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- BUGS
- _g_z_e_x_e attempts to retain the original file attributes on the
- compressed executable, but you may have to fix them manually
- in some cases, using _c_h_m_o_d or _c_h_o_w_n.
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- Sun Release 4.1 Last change: 1
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