Adding User and Group with specific uid and gid

[root@slchost ~]# useradd aime
[root@slchost ~]# groupadd svrtech
[root@slchost ~]# usermod -u 94110 aime
[root@slchost ~]# usermod -G svrtech aime
[root@slchost ~]# groupmod -g 42424 svrtech
[root@slchost~]# su aime
[aime@slchost root]$ id
uid=94110(aime) gid=503(aime) groups=503(aime),42424(svrtech)
[aime@slchost root]$