[ 源代码： dh-sysuser ]
软件包：dh-sysuser（1.3.9+really1.4.3）
debhelper addon to handle creation of system users
dh-sysuser provides a debhelper sequence addon named 'sysuser' and command 'dh_sysuser', which provide declarating way to ensure, that required users are present after package installation and correctly handled after package removal.