Hello, I forgot to mention that I also tried the following format without success: groupadd -g 999888 gggXXX I tried this on another system with RedHar 4.2 installation and it works. Any help is appreciated. Regards, Kumar -----Original Message----- From: Manuel Arostegui Ramirez [mailto:manuel@xxxxxxxxxxxxxx] Sent: Sonntag, 3. September 2006 12:14 To: General Red Hat Linux discussion list Subject: Re: can not create groupnames or usernames with Upper and lowercharacters to-gether(Ex: XXXggg) El Domingo, 3 de Septiembre de 2006 12:08, Padiyath Sreekumaran escribió: > Hello, > > Iam OS RedHat 3.0. When I run the following command from root account > I get the > > error: > > > > > > l_kumar]$ /usr/sbin/groupadd -g 999888 XXXggg > > groupadd: XXXggg is a not a valid group name > > [root@Arbusto ~]# groupadd -g 999888 XXXggg [root@Arbusto ~]# cat /etc/group | grep X XXXggg:x:999888: >From the man: Groupnames must begin with a lower case letter or an underscore, and only lower case letters, underscores, dashes, and dollar signs may follow. In regular expression terms: [a-z_][a-z0-9_-]*[$] -- Manuel Arostegui Ramirez. Electronic Mail is not secure, may not be read every day, and should not be used for urgent or sensitive issues. -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list