HostPosixAccountSpec has = new HostPosixAccountSpec();
has.setId("vimaster");
has.setDescription("The POSIX account for VI Master");
has.setPassword("password");
has.setShellAccess(true);
hlam.createUser(has);
//create a new group called masters
HostAccountSpec grpSpec = new HostAccountSpec();
grpSpec.setId("masters");
// DON'T CALL the following two lines! NOT supported.