Support for pigz, which is used instead of gzip with tar, so it can create backups faster using more cores. Default internal directadmin.conf value is: pigz=0 to enable pigz, it must be install, and added to: /usr/local/bin/pigz /usr/local/bin/unpigz and then set the directadmin.conf to the number of cores (CustomBuild will set this for you when pigz is installed) pigz=4 for example, which would tell pigz to use 4 processes. If you use a value of 1, there is really no point in using this at all. CustomBuild 2.0 can install it for you: cd /usr/local/directadmin/custombuild ./build update ./build pigz