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GZEXE(1) BSD General Commands Manual GZEXE(1)
gzexe -- create auto-decompressing executables
gzexe [-d] file ...
The gzexe utility uses gzip(1) to compress executables, producing executables that decom-
press on-the-fly when executed. This saves disk space, at the cost of slower execution
times. The original executables 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 gzexe.
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-the-fly decompression: sh(1), mktemp(1), rm(1), echo(1), tail(1), gzip(1), and
The gzexe utility replaces files by overwriting them with the generated compressed exe-
cutable. To be able to do this, it is required that the original files are writable.
BSD July 30, 2003 BSD
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