## NAME

bzexe - compress executable files in place

## SYNOPSIS

bzexe [ name ... ]

## DESCRIPTION

The bzexe 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 example if you execute ``bzexe /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.

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

## OPTIONS

-d Decompress the given executables instead of compressing them.

## SEE ALSO

bzip2(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 other utilities (tail, chmod, ln, sleep).

## BUGS

bzexe 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.