Reference

bzexe(1) on Linux

The text 511979160b41, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.

compress executable files in place

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bzexe(1) on Linux now